Home / 25,139.92-37,713.12-13,437.04

Finding the Fourth Proportional to 25,139.92, 37,713.12 and 13,437.04

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Solution

The fourth proportional to 25,139.92, 37,713.12 and 13,437.04 is: 20,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,139.92 : 37,713.12 = 13,437.04 : x
  2. Step 2: Convert to fraction form
    25,139.92/37,713.12 = 13,437.04/x
  3. Step 3: Cross multiply
    25,139.92x = 37,713.12 × 13,437.04
  4. Step 4: Simplify right side
    25,139.92x = 506,752,701.96
  5. Step 5: Solve for x
    x = 506,752,701.96/25,139.92
  6. Step 6: Final answer
    x = 20,157.29

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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.