Home / 33,182.30-45,791.07-18,278.30

Finding the Fourth Proportional to 33,182.30, 45,791.07 and 18,278.30

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Solution

The fourth proportional to 33,182.30, 45,791.07 and 18,278.30 is: 25,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,182.30 : 45,791.07 = 18,278.30 : x
  2. Step 2: Convert to fraction form
    33,182.30/45,791.07 = 18,278.30/x
  3. Step 3: Cross multiply
    33,182.30x = 45,791.07 × 18,278.30
  4. Step 4: Simplify right side
    33,182.30x = 836,982,914.78
  5. Step 5: Solve for x
    x = 836,982,914.78/33,182.30
  6. Step 6: Final answer
    x = 25,223.78

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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.