Home / 17,680.38-24,398.92-9,722.43

Finding the Fourth Proportional to 17,680.38, 24,398.92 and 9,722.43

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Solution

The fourth proportional to 17,680.38, 24,398.92 and 9,722.43 is: 13,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.38 : 24,398.92 = 9,722.43 : x
  2. Step 2: Convert to fraction form
    17,680.38/24,398.92 = 9,722.43/x
  3. Step 3: Cross multiply
    17,680.38x = 24,398.92 × 9,722.43
  4. Step 4: Simplify right side
    17,680.38x = 237,216,803.93
  5. Step 5: Solve for x
    x = 237,216,803.93/17,680.38
  6. Step 6: Final answer
    x = 13,416.95

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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.