Home / 18,132.33-27,179.78-7,608.46

Finding the Fourth Proportional to 18,132.33, 27,179.78 and 7,608.46

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Solution

The fourth proportional to 18,132.33, 27,179.78 and 7,608.46 is: 11,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132.33 : 27,179.78 = 7,608.46 : x
  2. Step 2: Convert to fraction form
    18,132.33/27,179.78 = 7,608.46/x
  3. Step 3: Cross multiply
    18,132.33x = 27,179.78 × 7,608.46
  4. Step 4: Simplify right side
    18,132.33x = 206,796,268.94
  5. Step 5: Solve for x
    x = 206,796,268.94/18,132.33
  6. Step 6: Final answer
    x = 11,404.84

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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.