Home / 33,013.88-45,551.20-18,674

Finding the Fourth Proportional to 33,013.88, 45,551.20 and 18,674

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Solution

The fourth proportional to 33,013.88, 45,551.20 and 18,674 is: 25,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013.88 : 45,551.20 = 18,674 : x
  2. Step 2: Convert to fraction form
    33,013.88/45,551.20 = 18,674/x
  3. Step 3: Cross multiply
    33,013.88x = 45,551.20 × 18,674
  4. Step 4: Simplify right side
    33,013.88x = 850,623,108.80
  5. Step 5: Solve for x
    x = 850,623,108.80/33,013.88
  6. Step 6: Final answer
    x = 25,765.62

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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.