Home / 20,008.97-27,613.92-11,057.24

Finding the Fourth Proportional to 20,008.97, 27,613.92 and 11,057.24

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Solution

The fourth proportional to 20,008.97, 27,613.92 and 11,057.24 is: 15,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.97 : 27,613.92 = 11,057.24 : x
  2. Step 2: Convert to fraction form
    20,008.97/27,613.92 = 11,057.24/x
  3. Step 3: Cross multiply
    20,008.97x = 27,613.92 × 11,057.24
  4. Step 4: Simplify right side
    20,008.97x = 305,333,740.78
  5. Step 5: Solve for x
    x = 305,333,740.78/20,008.97
  6. Step 6: Final answer
    x = 15,259.84

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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.