Home / 19,829.25-29,734.38-11,511.56

Finding the Fourth Proportional to 19,829.25, 29,734.38 and 11,511.56

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Solution

The fourth proportional to 19,829.25, 29,734.38 and 11,511.56 is: 17,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.25 : 29,734.38 = 11,511.56 : x
  2. Step 2: Convert to fraction form
    19,829.25/29,734.38 = 11,511.56/x
  3. Step 3: Cross multiply
    19,829.25x = 29,734.38 × 11,511.56
  4. Step 4: Simplify right side
    19,829.25x = 342,289,099.43
  5. Step 5: Solve for x
    x = 342,289,099.43/19,829.25
  6. Step 6: Final answer
    x = 17,261.83

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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.