Home / 27,132.70-40,711.20-9,615.10

Finding the Fourth Proportional to 27,132.70, 40,711.20 and 9,615.10

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Solution

The fourth proportional to 27,132.70, 40,711.20 and 9,615.10 is: 14,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.70 : 40,711.20 = 9,615.10 : x
  2. Step 2: Convert to fraction form
    27,132.70/40,711.20 = 9,615.10/x
  3. Step 3: Cross multiply
    27,132.70x = 40,711.20 × 9,615.10
  4. Step 4: Simplify right side
    27,132.70x = 391,442,259.12
  5. Step 5: Solve for x
    x = 391,442,259.12/27,132.70
  6. Step 6: Final answer
    x = 14,426.96

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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.