Home / 18,173.62-27,227.47-8,321.14

Finding the Fourth Proportional to 18,173.62, 27,227.47 and 8,321.14

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Solution

The fourth proportional to 18,173.62, 27,227.47 and 8,321.14 is: 12,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.62 : 27,227.47 = 8,321.14 : x
  2. Step 2: Convert to fraction form
    18,173.62/27,227.47 = 8,321.14/x
  3. Step 3: Cross multiply
    18,173.62x = 27,227.47 × 8,321.14
  4. Step 4: Simplify right side
    18,173.62x = 226,563,589.72
  5. Step 5: Solve for x
    x = 226,563,589.72/18,173.62
  6. Step 6: Final answer
    x = 12,466.62

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1.5x scale

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.