Home / 25,414.90-38,126.40-10,616.20

Finding the Fourth Proportional to 25,414.90, 38,126.40 and 10,616.20

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Solution

The fourth proportional to 25,414.90, 38,126.40 and 10,616.20 is: 15,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,414.90 : 38,126.40 = 10,616.20 : x
  2. Step 2: Convert to fraction form
    25,414.90/38,126.40 = 10,616.20/x
  3. Step 3: Cross multiply
    25,414.90x = 38,126.40 × 10,616.20
  4. Step 4: Simplify right side
    25,414.90x = 404,757,487.68
  5. Step 5: Solve for x
    x = 404,757,487.68/25,414.90
  6. Step 6: Final answer
    x = 15,925.99

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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.