Home / 17,487.12-24,134.88-11,118.96

Finding the Fourth Proportional to 17,487.12, 24,134.88 and 11,118.96

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Solution

The fourth proportional to 17,487.12, 24,134.88 and 11,118.96 is: 15,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.12 : 24,134.88 = 11,118.96 : x
  2. Step 2: Convert to fraction form
    17,487.12/24,134.88 = 11,118.96/x
  3. Step 3: Cross multiply
    17,487.12x = 24,134.88 × 11,118.96
  4. Step 4: Simplify right side
    17,487.12x = 268,354,765.32
  5. Step 5: Solve for x
    x = 268,354,765.32/17,487.12
  6. Step 6: Final answer
    x = 15,345.85

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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.