Home / 13,943.92-20,916.96-6,046.96

Finding the Fourth Proportional to 13,943.92, 20,916.96 and 6,046.96

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Solution

The fourth proportional to 13,943.92, 20,916.96 and 6,046.96 is: 9,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943.92 : 20,916.96 = 6,046.96 : x
  2. Step 2: Convert to fraction form
    13,943.92/20,916.96 = 6,046.96/x
  3. Step 3: Cross multiply
    13,943.92x = 20,916.96 × 6,046.96
  4. Step 4: Simplify right side
    13,943.92x = 126,484,020.44
  5. Step 5: Solve for x
    x = 126,484,020.44/13,943.92
  6. Step 6: Final answer
    x = 9,070.91

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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.