Home / 18,013.70-24,859.32-11,299.61

Finding the Fourth Proportional to 18,013.70, 24,859.32 and 11,299.61

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Solution

The fourth proportional to 18,013.70, 24,859.32 and 11,299.61 is: 15,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.70 : 24,859.32 = 11,299.61 : x
  2. Step 2: Convert to fraction form
    18,013.70/24,859.32 = 11,299.61/x
  3. Step 3: Cross multiply
    18,013.70x = 24,859.32 × 11,299.61
  4. Step 4: Simplify right side
    18,013.70x = 280,900,496.57
  5. Step 5: Solve for x
    x = 280,900,496.57/18,013.70
  6. Step 6: Final answer
    x = 15,593.72

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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.