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Finding the Fourth Proportional to 23,793.98, 32,839.13 and 13,720.41

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Solution

The fourth proportional to 23,793.98, 32,839.13 and 13,720.41 is: 18,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,793.98 : 32,839.13 = 13,720.41 : x
  2. Step 2: Convert to fraction form
    23,793.98/32,839.13 = 13,720.41/x
  3. Step 3: Cross multiply
    23,793.98x = 32,839.13 × 13,720.41
  4. Step 4: Simplify right side
    23,793.98x = 450,566,473.60
  5. Step 5: Solve for x
    x = 450,566,473.60/23,793.98
  6. Step 6: Final answer
    x = 18,936.16

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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.