Home / 20,566.92-28,382.90-11,614.62

Finding the Fourth Proportional to 20,566.92, 28,382.90 and 11,614.62

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Solution

The fourth proportional to 20,566.92, 28,382.90 and 11,614.62 is: 16,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.92 : 28,382.90 = 11,614.62 : x
  2. Step 2: Convert to fraction form
    20,566.92/28,382.90 = 11,614.62/x
  3. Step 3: Cross multiply
    20,566.92x = 28,382.90 × 11,614.62
  4. Step 4: Simplify right side
    20,566.92x = 329,656,539.92
  5. Step 5: Solve for x
    x = 329,656,539.92/20,566.92
  6. Step 6: Final answer
    x = 16,028.48

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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.