Home / 17,391.68-23,997.84-11,425.76

Finding the Fourth Proportional to 17,391.68, 23,997.84 and 11,425.76

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Solution

The fourth proportional to 17,391.68, 23,997.84 and 11,425.76 is: 15,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.68 : 23,997.84 = 11,425.76 : x
  2. Step 2: Convert to fraction form
    17,391.68/23,997.84 = 11,425.76/x
  3. Step 3: Cross multiply
    17,391.68x = 23,997.84 × 11,425.76
  4. Step 4: Simplify right side
    17,391.68x = 274,193,560.36
  5. Step 5: Solve for x
    x = 274,193,560.36/17,391.68
  6. Step 6: Final answer
    x = 15,765.79

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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.