Home / 25,851.13-38,788.22-13,536.25

Finding the Fourth Proportional to 25,851.13, 38,788.22 and 13,536.25

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Solution

The fourth proportional to 25,851.13, 38,788.22 and 13,536.25 is: 20,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.13 : 38,788.22 = 13,536.25 : x
  2. Step 2: Convert to fraction form
    25,851.13/38,788.22 = 13,536.25/x
  3. Step 3: Cross multiply
    25,851.13x = 38,788.22 × 13,536.25
  4. Step 4: Simplify right side
    25,851.13x = 525,046,975.29
  5. Step 5: Solve for x
    x = 525,046,975.29/25,851.13
  6. Step 6: Final answer
    x = 20,310.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.