Home / 20,092.57-27,727.24-11,140.04

Finding the Fourth Proportional to 20,092.57, 27,727.24 and 11,140.04

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Solution

The fourth proportional to 20,092.57, 27,727.24 and 11,140.04 is: 15,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.57 : 27,727.24 = 11,140.04 : x
  2. Step 2: Convert to fraction form
    20,092.57/27,727.24 = 11,140.04/x
  3. Step 3: Cross multiply
    20,092.57x = 27,727.24 × 11,140.04
  4. Step 4: Simplify right side
    20,092.57x = 308,882,562.69
  5. Step 5: Solve for x
    x = 308,882,562.69/20,092.57
  6. Step 6: Final answer
    x = 15,372.97

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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.