Home / 17,677.61-26,525.04-8,318.55

Finding the Fourth Proportional to 17,677.61, 26,525.04 and 8,318.55

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Solution

The fourth proportional to 17,677.61, 26,525.04 and 8,318.55 is: 12,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.61 : 26,525.04 = 8,318.55 : x
  2. Step 2: Convert to fraction form
    17,677.61/26,525.04 = 8,318.55/x
  3. Step 3: Cross multiply
    17,677.61x = 26,525.04 × 8,318.55
  4. Step 4: Simplify right side
    17,677.61x = 220,649,790.56
  5. Step 5: Solve for x
    x = 220,649,790.56/17,677.61
  6. Step 6: Final answer
    x = 12,481.88

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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.