Home / 20,524.93-28,267.78-17,691.27

Finding the Fourth Proportional to 20,524.93, 28,267.78 and 17,691.27

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Solution

The fourth proportional to 20,524.93, 28,267.78 and 17,691.27 is: 24,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.93 : 28,267.78 = 17,691.27 : x
  2. Step 2: Convert to fraction form
    20,524.93/28,267.78 = 17,691.27/x
  3. Step 3: Cross multiply
    20,524.93x = 28,267.78 × 17,691.27
  4. Step 4: Simplify right side
    20,524.93x = 500,092,928.28
  5. Step 5: Solve for x
    x = 500,092,928.28/20,524.93
  6. Step 6: Final answer
    x = 24,365.15

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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.