Home / 17,867.68-24,656.19-9,909.61

Finding the Fourth Proportional to 17,867.68, 24,656.19 and 9,909.61

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Solution

The fourth proportional to 17,867.68, 24,656.19 and 9,909.61 is: 13,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.68 : 24,656.19 = 9,909.61 : x
  2. Step 2: Convert to fraction form
    17,867.68/24,656.19 = 9,909.61/x
  3. Step 3: Cross multiply
    17,867.68x = 24,656.19 × 9,909.61
  4. Step 4: Simplify right side
    17,867.68x = 244,333,103.70
  5. Step 5: Solve for x
    x = 244,333,103.70/17,867.68
  6. Step 6: Final answer
    x = 13,674.59

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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.