Home / 25,331.27-38,007.84-13,642.16

Finding the Fourth Proportional to 25,331.27, 38,007.84 and 13,642.16

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Solution

The fourth proportional to 25,331.27, 38,007.84 and 13,642.16 is: 20,469.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.27 : 38,007.84 = 13,642.16 : x
  2. Step 2: Convert to fraction form
    25,331.27/38,007.84 = 13,642.16/x
  3. Step 3: Cross multiply
    25,331.27x = 38,007.84 × 13,642.16
  4. Step 4: Simplify right side
    25,331.27x = 518,508,844.50
  5. Step 5: Solve for x
    x = 518,508,844.50/25,331.27
  6. Step 6: Final answer
    x = 20,469.13

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1.5x scale

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.