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Finding the Fourth Proportional to 14,625.97, 20,182.48 and 8,958.13

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Solution

The fourth proportional to 14,625.97, 20,182.48 and 8,958.13 is: 12,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.97 : 20,182.48 = 8,958.13 : x
  2. Step 2: Convert to fraction form
    14,625.97/20,182.48 = 8,958.13/x
  3. Step 3: Cross multiply
    14,625.97x = 20,182.48 × 8,958.13
  4. Step 4: Simplify right side
    14,625.97x = 180,797,279.56
  5. Step 5: Solve for x
    x = 180,797,279.56/14,625.97
  6. Step 6: Final answer
    x = 12,361.39

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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.