Home / 18,529.38-25,572.69-10,572.75

Finding the Fourth Proportional to 18,529.38, 25,572.69 and 10,572.75

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Solution

The fourth proportional to 18,529.38, 25,572.69 and 10,572.75 is: 14,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.38 : 25,572.69 = 10,572.75 : x
  2. Step 2: Convert to fraction form
    18,529.38/25,572.69 = 10,572.75/x
  3. Step 3: Cross multiply
    18,529.38x = 25,572.69 × 10,572.75
  4. Step 4: Simplify right side
    18,529.38x = 270,373,658.20
  5. Step 5: Solve for x
    x = 270,373,658.20/18,529.38
  6. Step 6: Final answer
    x = 14,591.62

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Half scale
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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.