Home / 19,910.31-29,867.91-6,766.44

Finding the Fourth Proportional to 19,910.31, 29,867.91 and 6,766.44

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Solution

The fourth proportional to 19,910.31, 29,867.91 and 6,766.44 is: 10,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,910.31 : 29,867.91 = 6,766.44 : x
  2. Step 2: Convert to fraction form
    19,910.31/29,867.91 = 6,766.44/x
  3. Step 3: Cross multiply
    19,910.31x = 29,867.91 × 6,766.44
  4. Step 4: Simplify right side
    19,910.31x = 202,099,420.94
  5. Step 5: Solve for x
    x = 202,099,420.94/19,910.31
  6. Step 6: Final answer
    x = 10,150.49

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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.