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Finding the Fourth Proportional to 14,691.60, 22,013.10 and 12,504.60

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Solution

The fourth proportional to 14,691.60, 22,013.10 and 12,504.60 is: 18,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.60 : 22,013.10 = 12,504.60 : x
  2. Step 2: Convert to fraction form
    14,691.60/22,013.10 = 12,504.60/x
  3. Step 3: Cross multiply
    14,691.60x = 22,013.10 × 12,504.60
  4. Step 4: Simplify right side
    14,691.60x = 275,265,010.26
  5. Step 5: Solve for x
    x = 275,265,010.26/14,691.60
  6. Step 6: Final answer
    x = 18,736.22

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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.