Home / 24,479.38-33,780.22-13,868.78

Finding the Fourth Proportional to 24,479.38, 33,780.22 and 13,868.78

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Solution

The fourth proportional to 24,479.38, 33,780.22 and 13,868.78 is: 19,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.38 : 33,780.22 = 13,868.78 : x
  2. Step 2: Convert to fraction form
    24,479.38/33,780.22 = 13,868.78/x
  3. Step 3: Cross multiply
    24,479.38x = 33,780.22 × 13,868.78
  4. Step 4: Simplify right side
    24,479.38x = 468,490,439.53
  5. Step 5: Solve for x
    x = 468,490,439.53/24,479.38
  6. Step 6: Final answer
    x = 19,138.17

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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.