Home / 29,380.11-40,543.44-15,951.08

Finding the Fourth Proportional to 29,380.11, 40,543.44 and 15,951.08

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Solution

The fourth proportional to 29,380.11, 40,543.44 and 15,951.08 is: 22,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.11 : 40,543.44 = 15,951.08 : x
  2. Step 2: Convert to fraction form
    29,380.11/40,543.44 = 15,951.08/x
  3. Step 3: Cross multiply
    29,380.11x = 40,543.44 × 15,951.08
  4. Step 4: Simplify right side
    29,380.11x = 646,711,452.20
  5. Step 5: Solve for x
    x = 646,711,452.20/29,380.11
  6. Step 6: Final answer
    x = 22,011.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.