Home / 13,179.11-19,766.53-4,411.97

Finding the Fourth Proportional to 13,179.11, 19,766.53 and 4,411.97

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Solution

The fourth proportional to 13,179.11, 19,766.53 and 4,411.97 is: 6,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.11 : 19,766.53 = 4,411.97 : x
  2. Step 2: Convert to fraction form
    13,179.11/19,766.53 = 4,411.97/x
  3. Step 3: Cross multiply
    13,179.11x = 19,766.53 × 4,411.97
  4. Step 4: Simplify right side
    13,179.11x = 87,209,318.17
  5. Step 5: Solve for x
    x = 87,209,318.17/13,179.11
  6. Step 6: Final answer
    x = 6,617.24

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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.