Home / 13,627.17-20,440.71-3,766.38

Finding the Fourth Proportional to 13,627.17, 20,440.71 and 3,766.38

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Solution

The fourth proportional to 13,627.17, 20,440.71 and 3,766.38 is: 5,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.17 : 20,440.71 = 3,766.38 : x
  2. Step 2: Convert to fraction form
    13,627.17/20,440.71 = 3,766.38/x
  3. Step 3: Cross multiply
    13,627.17x = 20,440.71 × 3,766.38
  4. Step 4: Simplify right side
    13,627.17x = 76,987,481.33
  5. Step 5: Solve for x
    x = 76,987,481.33/13,627.17
  6. Step 6: Final answer
    x = 5,649.56

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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.