Home / 18,347.45-25,319.84-11,177.66

Finding the Fourth Proportional to 18,347.45, 25,319.84 and 11,177.66

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Solution

The fourth proportional to 18,347.45, 25,319.84 and 11,177.66 is: 15,425.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.45 : 25,319.84 = 11,177.66 : x
  2. Step 2: Convert to fraction form
    18,347.45/25,319.84 = 11,177.66/x
  3. Step 3: Cross multiply
    18,347.45x = 25,319.84 × 11,177.66
  4. Step 4: Simplify right side
    18,347.45x = 283,016,380.29
  5. Step 5: Solve for x
    x = 283,016,380.29/18,347.45
  6. Step 6: Final answer
    x = 15,425.38

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Similar ratio
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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.