Home / 18,317.22-27,456.68-8,462.96

Finding the Fourth Proportional to 18,317.22, 27,456.68 and 8,462.96

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Solution

The fourth proportional to 18,317.22, 27,456.68 and 8,462.96 is: 12,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.22 : 27,456.68 = 8,462.96 : x
  2. Step 2: Convert to fraction form
    18,317.22/27,456.68 = 8,462.96/x
  3. Step 3: Cross multiply
    18,317.22x = 27,456.68 × 8,462.96
  4. Step 4: Simplify right side
    18,317.22x = 232,364,810.90
  5. Step 5: Solve for x
    x = 232,364,810.90/18,317.22
  6. Step 6: Final answer
    x = 12,685.59

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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.