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Finding the Fourth Proportional to 14,174.49, 21,254.60 and 8,253.29

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Solution

The fourth proportional to 14,174.49, 21,254.60 and 8,253.29 is: 12,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.49 : 21,254.60 = 8,253.29 : x
  2. Step 2: Convert to fraction form
    14,174.49/21,254.60 = 8,253.29/x
  3. Step 3: Cross multiply
    14,174.49x = 21,254.60 × 8,253.29
  4. Step 4: Simplify right side
    14,174.49x = 175,420,451.40
  5. Step 5: Solve for x
    x = 175,420,451.40/14,174.49
  6. Step 6: Final answer
    x = 12,375.78

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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.