Home / 16,871.10-25,306.65-16,611.90

Finding the Fourth Proportional to 16,871.10, 25,306.65 and 16,611.90

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Solution

The fourth proportional to 16,871.10, 25,306.65 and 16,611.90 is: 24,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.10 : 25,306.65 = 16,611.90 : x
  2. Step 2: Convert to fraction form
    16,871.10/25,306.65 = 16,611.90/x
  3. Step 3: Cross multiply
    16,871.10x = 25,306.65 × 16,611.90
  4. Step 4: Simplify right side
    16,871.10x = 420,391,539.14
  5. Step 5: Solve for x
    x = 420,391,539.14/16,871.10
  6. Step 6: Final answer
    x = 24,917.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.