Home / 18,171.89-27,257.77-4,844.86

Finding the Fourth Proportional to 18,171.89, 27,257.77 and 4,844.86

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Solution

The fourth proportional to 18,171.89, 27,257.77 and 4,844.86 is: 7,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.89 : 27,257.77 = 4,844.86 : x
  2. Step 2: Convert to fraction form
    18,171.89/27,257.77 = 4,844.86/x
  3. Step 3: Cross multiply
    18,171.89x = 27,257.77 × 4,844.86
  4. Step 4: Simplify right side
    18,171.89x = 132,060,143.55
  5. Step 5: Solve for x
    x = 132,060,143.55/18,171.89
  6. Step 6: Final answer
    x = 7,267.27

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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.