Home / 18,176.68-27,272.99-8,823.88

Finding the Fourth Proportional to 18,176.68, 27,272.99 and 8,823.88

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Solution

The fourth proportional to 18,176.68, 27,272.99 and 8,823.88 is: 13,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.68 : 27,272.99 = 8,823.88 : x
  2. Step 2: Convert to fraction form
    18,176.68/27,272.99 = 8,823.88/x
  3. Step 3: Cross multiply
    18,176.68x = 27,272.99 × 8,823.88
  4. Step 4: Simplify right side
    18,176.68x = 240,653,478.70
  5. Step 5: Solve for x
    x = 240,653,478.70/18,176.68
  6. Step 6: Final answer
    x = 13,239.68

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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.