Home / 22,610.35-31,195.97-13,177.09

Finding the Fourth Proportional to 22,610.35, 31,195.97 and 13,177.09

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Solution

The fourth proportional to 22,610.35, 31,195.97 and 13,177.09 is: 18,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.35 : 31,195.97 = 13,177.09 : x
  2. Step 2: Convert to fraction form
    22,610.35/31,195.97 = 13,177.09/x
  3. Step 3: Cross multiply
    22,610.35x = 31,195.97 × 13,177.09
  4. Step 4: Simplify right side
    22,610.35x = 411,072,038.44
  5. Step 5: Solve for x
    x = 411,072,038.44/22,610.35
  6. Step 6: Final answer
    x = 18,180.70

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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.