Home / 22,151.66-30,576.69-13,201.97

Finding the Fourth Proportional to 22,151.66, 30,576.69 and 13,201.97

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Solution

The fourth proportional to 22,151.66, 30,576.69 and 13,201.97 is: 18,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.66 : 30,576.69 = 13,201.97 : x
  2. Step 2: Convert to fraction form
    22,151.66/30,576.69 = 13,201.97/x
  3. Step 3: Cross multiply
    22,151.66x = 30,576.69 × 13,201.97
  4. Step 4: Simplify right side
    22,151.66x = 403,672,391.20
  5. Step 5: Solve for x
    x = 403,672,391.20/22,151.66
  6. Step 6: Final answer
    x = 18,223.13

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1.5x scale

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.