Home / 24,859.12-34,306.04-13,680.88

Finding the Fourth Proportional to 24,859.12, 34,306.04 and 13,680.88

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Solution

The fourth proportional to 24,859.12, 34,306.04 and 13,680.88 is: 18,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,859.12 : 34,306.04 = 13,680.88 : x
  2. Step 2: Convert to fraction form
    24,859.12/34,306.04 = 13,680.88/x
  3. Step 3: Cross multiply
    24,859.12x = 34,306.04 × 13,680.88
  4. Step 4: Simplify right side
    24,859.12x = 469,336,816.52
  5. Step 5: Solve for x
    x = 469,336,816.52/24,859.12
  6. Step 6: Final answer
    x = 18,879.86

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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.