Home / 18,592.80-27,890.95-6,112.85

Finding the Fourth Proportional to 18,592.80, 27,890.95 and 6,112.85

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Solution

The fourth proportional to 18,592.80, 27,890.95 and 6,112.85 is: 9,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.80 : 27,890.95 = 6,112.85 : x
  2. Step 2: Convert to fraction form
    18,592.80/27,890.95 = 6,112.85/x
  3. Step 3: Cross multiply
    18,592.80x = 27,890.95 × 6,112.85
  4. Step 4: Simplify right side
    18,592.80x = 170,493,337.88
  5. Step 5: Solve for x
    x = 170,493,337.88/18,592.80
  6. Step 6: Final answer
    x = 9,169.86

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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.