Home / 13,844.68-19,101.52-8,179.96

Finding the Fourth Proportional to 13,844.68, 19,101.52 and 8,179.96

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Solution

The fourth proportional to 13,844.68, 19,101.52 and 8,179.96 is: 11,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.68 : 19,101.52 = 8,179.96 : x
  2. Step 2: Convert to fraction form
    13,844.68/19,101.52 = 8,179.96/x
  3. Step 3: Cross multiply
    13,844.68x = 19,101.52 × 8,179.96
  4. Step 4: Simplify right side
    13,844.68x = 156,249,669.54
  5. Step 5: Solve for x
    x = 156,249,669.54/13,844.68
  6. Step 6: Final answer
    x = 11,285.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.