Home / 22,680.66-31,299.26-12,610.02

Finding the Fourth Proportional to 22,680.66, 31,299.26 and 12,610.02

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Solution

The fourth proportional to 22,680.66, 31,299.26 and 12,610.02 is: 17,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,680.66 : 31,299.26 = 12,610.02 : x
  2. Step 2: Convert to fraction form
    22,680.66/31,299.26 = 12,610.02/x
  3. Step 3: Cross multiply
    22,680.66x = 31,299.26 × 12,610.02
  4. Step 4: Simplify right side
    22,680.66x = 394,684,231.54
  5. Step 5: Solve for x
    x = 394,684,231.54/22,680.66
  6. Step 6: Final answer
    x = 17,401.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.