Home / 17,845.20-26,780.13-6,158.46

Finding the Fourth Proportional to 17,845.20, 26,780.13 and 6,158.46

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Solution

The fourth proportional to 17,845.20, 26,780.13 and 6,158.46 is: 9,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.20 : 26,780.13 = 6,158.46 : x
  2. Step 2: Convert to fraction form
    17,845.20/26,780.13 = 6,158.46/x
  3. Step 3: Cross multiply
    17,845.20x = 26,780.13 × 6,158.46
  4. Step 4: Simplify right side
    17,845.20x = 164,924,359.40
  5. Step 5: Solve for x
    x = 164,924,359.40/17,845.20
  6. Step 6: Final answer
    x = 9,241.95

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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.