Home / 18,591.68-25,618.38-17,279.12

Finding the Fourth Proportional to 18,591.68, 25,618.38 and 17,279.12

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Solution

The fourth proportional to 18,591.68, 25,618.38 and 17,279.12 is: 23,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.68 : 25,618.38 = 17,279.12 : x
  2. Step 2: Convert to fraction form
    18,591.68/25,618.38 = 17,279.12/x
  3. Step 3: Cross multiply
    18,591.68x = 25,618.38 × 17,279.12
  4. Step 4: Simplify right side
    18,591.68x = 442,663,061.47
  5. Step 5: Solve for x
    x = 442,663,061.47/18,591.68
  6. Step 6: Final answer
    x = 23,809.74

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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.