638 is 25 percent of what number?


"638 is 25 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 25 percent of number (x), you will get 638. Thus, you can illustrate the problem "638 is 25 percent of what number (x)" like this:

25% of x = 638

To calculate 25 percent of a number, we multiply the number by 25 and then divide by 100. Therefore, we can make the following function:

   
25 ∗ x
 
   
100
  =  638  

To solve for x, we first multiply both sides by 100 and then divide both sides by 25 to get the x = 2552. Therefore, the answer to 638 is 25 percent of what number? is:

2552


If we substitue "what number" in the question "638 is 25 percent of what number?" with 2552, we get this sentence: 638 is 25 percent of 2552. Since this statement is true, we know that our answer is correct.

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