Home / 27,425.76-41,138.86-6,649.26

Finding the Fourth Proportional to 27,425.76, 41,138.86 and 6,649.26

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Solution

The fourth proportional to 27,425.76, 41,138.86 and 6,649.26 is: 9,973.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.76 : 41,138.86 = 6,649.26 : x
  2. Step 2: Convert to fraction form
    27,425.76/41,138.86 = 6,649.26/x
  3. Step 3: Cross multiply
    27,425.76x = 41,138.86 × 6,649.26
  4. Step 4: Simplify right side
    27,425.76x = 273,542,976.24
  5. Step 5: Solve for x
    x = 273,542,976.24/27,425.76
  6. Step 6: Final answer
    x = 9,973.94

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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.