Home / 15,855.82-23,781.84-4,169.95

Finding the Fourth Proportional to 15,855.82, 23,781.84 and 4,169.95

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Solution

The fourth proportional to 15,855.82, 23,781.84 and 4,169.95 is: 6,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.82 : 23,781.84 = 4,169.95 : x
  2. Step 2: Convert to fraction form
    15,855.82/23,781.84 = 4,169.95/x
  3. Step 3: Cross multiply
    15,855.82x = 23,781.84 × 4,169.95
  4. Step 4: Simplify right side
    15,855.82x = 99,169,008.62
  5. Step 5: Solve for x
    x = 99,169,008.62/15,855.82
  6. Step 6: Final answer
    x = 6,254.42

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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.