Home / 20,747.16-28,631.09-11,794.44

Finding the Fourth Proportional to 20,747.16, 28,631.09 and 11,794.44

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Solution

The fourth proportional to 20,747.16, 28,631.09 and 11,794.44 is: 16,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.16 : 28,631.09 = 11,794.44 : x
  2. Step 2: Convert to fraction form
    20,747.16/28,631.09 = 11,794.44/x
  3. Step 3: Cross multiply
    20,747.16x = 28,631.09 × 11,794.44
  4. Step 4: Simplify right side
    20,747.16x = 337,687,614.17
  5. Step 5: Solve for x
    x = 337,687,614.17/20,747.16
  6. Step 6: Final answer
    x = 16,276.33

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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.