Home / 18,337.32-27,500.85-7,243.70

Finding the Fourth Proportional to 18,337.32, 27,500.85 and 7,243.70

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Solution

The fourth proportional to 18,337.32, 27,500.85 and 7,243.70 is: 10,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.32 : 27,500.85 = 7,243.70 : x
  2. Step 2: Convert to fraction form
    18,337.32/27,500.85 = 7,243.70/x
  3. Step 3: Cross multiply
    18,337.32x = 27,500.85 × 7,243.70
  4. Step 4: Simplify right side
    18,337.32x = 199,207,769.64
  5. Step 5: Solve for x
    x = 199,207,769.64/18,337.32
  6. Step 6: Final answer
    x = 10,863.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.