Home / 20,079.44-27,687.66-14,976.44

Finding the Fourth Proportional to 20,079.44, 27,687.66 and 14,976.44

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Solution

The fourth proportional to 20,079.44, 27,687.66 and 14,976.44 is: 20,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.44 : 27,687.66 = 14,976.44 : x
  2. Step 2: Convert to fraction form
    20,079.44/27,687.66 = 14,976.44/x
  3. Step 3: Cross multiply
    20,079.44x = 27,687.66 × 14,976.44
  4. Step 4: Simplify right side
    20,079.44x = 414,662,578.73
  5. Step 5: Solve for x
    x = 414,662,578.73/20,079.44
  6. Step 6: Final answer
    x = 20,651.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.