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Finding the Fourth Proportional to 13,593.88, 20,422.02 and 9,654.85

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Solution

The fourth proportional to 13,593.88, 20,422.02 and 9,654.85 is: 14,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.88 : 20,422.02 = 9,654.85 : x
  2. Step 2: Convert to fraction form
    13,593.88/20,422.02 = 9,654.85/x
  3. Step 3: Cross multiply
    13,593.88x = 20,422.02 × 9,654.85
  4. Step 4: Simplify right side
    13,593.88x = 197,171,539.80
  5. Step 5: Solve for x
    x = 197,171,539.80/13,593.88
  6. Step 6: Final answer
    x = 14,504.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.