Home / 15,182.73-20,951.91-8,468.01

Finding the Fourth Proportional to 15,182.73, 20,951.91 and 8,468.01

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Solution

The fourth proportional to 15,182.73, 20,951.91 and 8,468.01 is: 11,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,182.73 : 20,951.91 = 8,468.01 : x
  2. Step 2: Convert to fraction form
    15,182.73/20,951.91 = 8,468.01/x
  3. Step 3: Cross multiply
    15,182.73x = 20,951.91 × 8,468.01
  4. Step 4: Simplify right side
    15,182.73x = 177,420,983.40
  5. Step 5: Solve for x
    x = 177,420,983.40/15,182.73
  6. Step 6: Final answer
    x = 11,685.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.