Home / 18,471.20-27,709.17-8,473.53

Finding the Fourth Proportional to 18,471.20, 27,709.17 and 8,473.53

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Solution

The fourth proportional to 18,471.20, 27,709.17 and 8,473.53 is: 12,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,471.20 : 27,709.17 = 8,473.53 : x
  2. Step 2: Convert to fraction form
    18,471.20/27,709.17 = 8,473.53/x
  3. Step 3: Cross multiply
    18,471.20x = 27,709.17 × 8,473.53
  4. Step 4: Simplify right side
    18,471.20x = 234,794,483.27
  5. Step 5: Solve for x
    x = 234,794,483.27/18,471.20
  6. Step 6: Final answer
    x = 12,711.39

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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.