Home / 19,912.26-29,858.31-11,144.82

Finding the Fourth Proportional to 19,912.26, 29,858.31 and 11,144.82

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Solution

The fourth proportional to 19,912.26, 29,858.31 and 11,144.82 is: 16,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,912.26 : 29,858.31 = 11,144.82 : x
  2. Step 2: Convert to fraction form
    19,912.26/29,858.31 = 11,144.82/x
  3. Step 3: Cross multiply
    19,912.26x = 29,858.31 × 11,144.82
  4. Step 4: Simplify right side
    19,912.26x = 332,765,490.45
  5. Step 5: Solve for x
    x = 332,765,490.45/19,912.26
  6. Step 6: Final answer
    x = 16,711.59

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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.