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Finding the Fourth Proportional to 14,965.60, 20,652.24 and 8,593.44

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Solution

The fourth proportional to 14,965.60, 20,652.24 and 8,593.44 is: 11,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965.60 : 20,652.24 = 8,593.44 : x
  2. Step 2: Convert to fraction form
    14,965.60/20,652.24 = 8,593.44/x
  3. Step 3: Cross multiply
    14,965.60x = 20,652.24 × 8,593.44
  4. Step 4: Simplify right side
    14,965.60x = 177,473,785.31
  5. Step 5: Solve for x
    x = 177,473,785.31/14,965.60
  6. Step 6: Final answer
    x = 11,858.78

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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.