Home / 17,859.38-26,789.70-6,766.88

Finding the Fourth Proportional to 17,859.38, 26,789.70 and 6,766.88

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Solution

The fourth proportional to 17,859.38, 26,789.70 and 6,766.88 is: 10,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,859.38 : 26,789.70 = 6,766.88 : x
  2. Step 2: Convert to fraction form
    17,859.38/26,789.70 = 6,766.88/x
  3. Step 3: Cross multiply
    17,859.38x = 26,789.70 × 6,766.88
  4. Step 4: Simplify right side
    17,859.38x = 181,282,576.56
  5. Step 5: Solve for x
    x = 181,282,576.56/17,859.38
  6. Step 6: Final answer
    x = 10,150.56

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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.