Home / 17,561.78-24,262.55-14,724.76

Finding the Fourth Proportional to 17,561.78, 24,262.55 and 14,724.76

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Solution

The fourth proportional to 17,561.78, 24,262.55 and 14,724.76 is: 20,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.78 : 24,262.55 = 14,724.76 : x
  2. Step 2: Convert to fraction form
    17,561.78/24,262.55 = 14,724.76/x
  3. Step 3: Cross multiply
    17,561.78x = 24,262.55 × 14,724.76
  4. Step 4: Simplify right side
    17,561.78x = 357,260,146.68
  5. Step 5: Solve for x
    x = 357,260,146.68/17,561.78
  6. Step 6: Final answer
    x = 20,343.05

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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.