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Finding the Fourth Proportional to 14,593.57, 20,140.14 and 8,305.94

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Solution

The fourth proportional to 14,593.57, 20,140.14 and 8,305.94 is: 11,462.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.57 : 20,140.14 = 8,305.94 : x
  2. Step 2: Convert to fraction form
    14,593.57/20,140.14 = 8,305.94/x
  3. Step 3: Cross multiply
    14,593.57x = 20,140.14 × 8,305.94
  4. Step 4: Simplify right side
    14,593.57x = 167,282,875.93
  5. Step 5: Solve for x
    x = 167,282,875.93/14,593.57
  6. Step 6: Final answer
    x = 11,462.78

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Double scale
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Similar ratio
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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.