Home / 15,930.86-23,896.15-4,084.61

Finding the Fourth Proportional to 15,930.86, 23,896.15 and 4,084.61

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Solution

The fourth proportional to 15,930.86, 23,896.15 and 4,084.61 is: 6,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.86 : 23,896.15 = 4,084.61 : x
  2. Step 2: Convert to fraction form
    15,930.86/23,896.15 = 4,084.61/x
  3. Step 3: Cross multiply
    15,930.86x = 23,896.15 × 4,084.61
  4. Step 4: Simplify right side
    15,930.86x = 97,606,453.25
  5. Step 5: Solve for x
    x = 97,606,453.25/15,930.86
  6. Step 6: Final answer
    x = 6,126.88

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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.