Home / 13,175.91-19,759.80-6,932.54

Finding the Fourth Proportional to 13,175.91, 19,759.80 and 6,932.54

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Solution

The fourth proportional to 13,175.91, 19,759.80 and 6,932.54 is: 10,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.91 : 19,759.80 = 6,932.54 : x
  2. Step 2: Convert to fraction form
    13,175.91/19,759.80 = 6,932.54/x
  3. Step 3: Cross multiply
    13,175.91x = 19,759.80 × 6,932.54
  4. Step 4: Simplify right side
    13,175.91x = 136,985,505.09
  5. Step 5: Solve for x
    x = 136,985,505.09/13,175.91
  6. Step 6: Final answer
    x = 10,396.66

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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.