Home / 38,662.11-57,976.76-13,708.44

Finding the Fourth Proportional to 38,662.11, 57,976.76 and 13,708.44

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Solution

The fourth proportional to 38,662.11, 57,976.76 and 13,708.44 is: 20,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,662.11 : 57,976.76 = 13,708.44 : x
  2. Step 2: Convert to fraction form
    38,662.11/57,976.76 = 13,708.44/x
  3. Step 3: Cross multiply
    38,662.11x = 57,976.76 × 13,708.44
  4. Step 4: Simplify right side
    38,662.11x = 794,770,970.13
  5. Step 5: Solve for x
    x = 794,770,970.13/38,662.11
  6. Step 6: Final answer
    x = 20,556.84

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1.5x scale

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.