Home / 18,300.60-27,449.82-11,281.95

Finding the Fourth Proportional to 18,300.60, 27,449.82 and 11,281.95

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Solution

The fourth proportional to 18,300.60, 27,449.82 and 11,281.95 is: 16,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.60 : 27,449.82 = 11,281.95 : x
  2. Step 2: Convert to fraction form
    18,300.60/27,449.82 = 11,281.95/x
  3. Step 3: Cross multiply
    18,300.60x = 27,449.82 × 11,281.95
  4. Step 4: Simplify right side
    18,300.60x = 309,687,496.75
  5. Step 5: Solve for x
    x = 309,687,496.75/18,300.60
  6. Step 6: Final answer
    x = 16,922.26

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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.