Home / 14,593.79-20,139.68-8,306.75

Finding the Fourth Proportional to 14,593.79, 20,139.68 and 8,306.75

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Solution

The fourth proportional to 14,593.79, 20,139.68 and 8,306.75 is: 11,463.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.79 : 20,139.68 = 8,306.75 : x
  2. Step 2: Convert to fraction form
    14,593.79/20,139.68 = 8,306.75/x
  3. Step 3: Cross multiply
    14,593.79x = 20,139.68 × 8,306.75
  4. Step 4: Simplify right side
    14,593.79x = 167,295,245.31
  5. Step 5: Solve for x
    x = 167,295,245.31/14,593.79
  6. Step 6: Final answer
    x = 11,463.45

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Half scale
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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.