Home / 20,349.73-28,080.17-11,853.24

Finding the Fourth Proportional to 20,349.73, 28,080.17 and 11,853.24

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Solution

The fourth proportional to 20,349.73, 28,080.17 and 11,853.24 is: 16,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.73 : 28,080.17 = 11,853.24 : x
  2. Step 2: Convert to fraction form
    20,349.73/28,080.17 = 11,853.24/x
  3. Step 3: Cross multiply
    20,349.73x = 28,080.17 × 11,853.24
  4. Step 4: Simplify right side
    20,349.73x = 332,840,874.13
  5. Step 5: Solve for x
    x = 332,840,874.13/20,349.73
  6. Step 6: Final answer
    x = 16,356.03

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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.