Home / 18,116.67-24,977.61-11,731.89

Finding the Fourth Proportional to 18,116.67, 24,977.61 and 11,731.89

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Solution

The fourth proportional to 18,116.67, 24,977.61 and 11,731.89 is: 16,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.67 : 24,977.61 = 11,731.89 : x
  2. Step 2: Convert to fraction form
    18,116.67/24,977.61 = 11,731.89/x
  3. Step 3: Cross multiply
    18,116.67x = 24,977.61 × 11,731.89
  4. Step 4: Simplify right side
    18,116.67x = 293,034,572.98
  5. Step 5: Solve for x
    x = 293,034,572.98/18,116.67
  6. Step 6: Final answer
    x = 16,174.86

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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.