Home / 15,185.78-22,777.11-4,092.02

Finding the Fourth Proportional to 15,185.78, 22,777.11 and 4,092.02

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Solution

The fourth proportional to 15,185.78, 22,777.11 and 4,092.02 is: 6,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185.78 : 22,777.11 = 4,092.02 : x
  2. Step 2: Convert to fraction form
    15,185.78/22,777.11 = 4,092.02/x
  3. Step 3: Cross multiply
    15,185.78x = 22,777.11 × 4,092.02
  4. Step 4: Simplify right side
    15,185.78x = 93,204,389.66
  5. Step 5: Solve for x
    x = 93,204,389.66/15,185.78
  6. Step 6: Final answer
    x = 6,137.61

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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.