Home / 38,249.60-57,358.20-18,534.20

Finding the Fourth Proportional to 38,249.60, 57,358.20 and 18,534.20

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Solution

The fourth proportional to 38,249.60, 57,358.20 and 18,534.20 is: 27,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.60 : 57,358.20 = 18,534.20 : x
  2. Step 2: Convert to fraction form
    38,249.60/57,358.20 = 18,534.20/x
  3. Step 3: Cross multiply
    38,249.60x = 57,358.20 × 18,534.20
  4. Step 4: Simplify right side
    38,249.60x = 1,063,088,350.44
  5. Step 5: Solve for x
    x = 1,063,088,350.44/38,249.60
  6. Step 6: Final answer
    x = 27,793.45

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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.