Home / 20,565.66-30,861.24-9,473.94

Finding the Fourth Proportional to 20,565.66, 30,861.24 and 9,473.94

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Solution

The fourth proportional to 20,565.66, 30,861.24 and 9,473.94 is: 14,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,565.66 : 30,861.24 = 9,473.94 : x
  2. Step 2: Convert to fraction form
    20,565.66/30,861.24 = 9,473.94/x
  3. Step 3: Cross multiply
    20,565.66x = 30,861.24 × 9,473.94
  4. Step 4: Simplify right side
    20,565.66x = 292,377,536.09
  5. Step 5: Solve for x
    x = 292,377,536.09/20,565.66
  6. Step 6: Final answer
    x = 14,216.78

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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.