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Finding the Fourth Proportional to 14,593.01, 20,139.10 and 8,925.98

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Solution

The fourth proportional to 14,593.01, 20,139.10 and 8,925.98 is: 12,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.01 : 20,139.10 = 8,925.98 : x
  2. Step 2: Convert to fraction form
    14,593.01/20,139.10 = 8,925.98/x
  3. Step 3: Cross multiply
    14,593.01x = 20,139.10 × 8,925.98
  4. Step 4: Simplify right side
    14,593.01x = 179,761,080.81
  5. Step 5: Solve for x
    x = 179,761,080.81/14,593.01
  6. Step 6: Final answer
    x = 12,318.30

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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.