Home / 20,506.97-30,764.55-7,360.37

Finding the Fourth Proportional to 20,506.97, 30,764.55 and 7,360.37

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Solution

The fourth proportional to 20,506.97, 30,764.55 and 7,360.37 is: 11,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.97 : 30,764.55 = 7,360.37 : x
  2. Step 2: Convert to fraction form
    20,506.97/30,764.55 = 7,360.37/x
  3. Step 3: Cross multiply
    20,506.97x = 30,764.55 × 7,360.37
  4. Step 4: Simplify right side
    20,506.97x = 226,438,470.88
  5. Step 5: Solve for x
    x = 226,438,470.88/20,506.97
  6. Step 6: Final answer
    x = 11,042.02

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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.