Home / 17,761.55-24,519.78-11,049.30

Finding the Fourth Proportional to 17,761.55, 24,519.78 and 11,049.30

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Solution

The fourth proportional to 17,761.55, 24,519.78 and 11,049.30 is: 15,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.55 : 24,519.78 = 11,049.30 : x
  2. Step 2: Convert to fraction form
    17,761.55/24,519.78 = 11,049.30/x
  3. Step 3: Cross multiply
    17,761.55x = 24,519.78 × 11,049.30
  4. Step 4: Simplify right side
    17,761.55x = 270,926,405.15
  5. Step 5: Solve for x
    x = 270,926,405.15/17,761.55
  6. Step 6: Final answer
    x = 15,253.54

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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.