Home / 20,327.76-28,023.81-17,524.96

Finding the Fourth Proportional to 20,327.76, 28,023.81 and 17,524.96

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Solution

The fourth proportional to 20,327.76, 28,023.81 and 17,524.96 is: 24,159.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.76 : 28,023.81 = 17,524.96 : x
  2. Step 2: Convert to fraction form
    20,327.76/28,023.81 = 17,524.96/x
  3. Step 3: Cross multiply
    20,327.76x = 28,023.81 × 17,524.96
  4. Step 4: Simplify right side
    20,327.76x = 491,116,013.52
  5. Step 5: Solve for x
    x = 491,116,013.52/20,327.76
  6. Step 6: Final answer
    x = 24,159.87

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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.