Home / 14,974.80-22,462.20-5,112.60

Finding the Fourth Proportional to 14,974.80, 22,462.20 and 5,112.60

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Solution

The fourth proportional to 14,974.80, 22,462.20 and 5,112.60 is: 7,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.80 : 22,462.20 = 5,112.60 : x
  2. Step 2: Convert to fraction form
    14,974.80/22,462.20 = 5,112.60/x
  3. Step 3: Cross multiply
    14,974.80x = 22,462.20 × 5,112.60
  4. Step 4: Simplify right side
    14,974.80x = 114,840,243.72
  5. Step 5: Solve for x
    x = 114,840,243.72/14,974.80
  6. Step 6: Final answer
    x = 7,668.90

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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.