Home / 12,372.43-18,556.67-3,605.30

Finding the Fourth Proportional to 12,372.43, 18,556.67 and 3,605.30

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Solution

The fourth proportional to 12,372.43, 18,556.67 and 3,605.30 is: 5,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.43 : 18,556.67 = 3,605.30 : x
  2. Step 2: Convert to fraction form
    12,372.43/18,556.67 = 3,605.30/x
  3. Step 3: Cross multiply
    12,372.43x = 18,556.67 × 3,605.30
  4. Step 4: Simplify right side
    12,372.43x = 66,902,251.54
  5. Step 5: Solve for x
    x = 66,902,251.54/12,372.43
  6. Step 6: Final answer
    x = 5,407.37

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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.