Home / 13,293.88-19,944.46-3,934.36

Finding the Fourth Proportional to 13,293.88, 19,944.46 and 3,934.36

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Solution

The fourth proportional to 13,293.88, 19,944.46 and 3,934.36 is: 5,902.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.88 : 19,944.46 = 3,934.36 : x
  2. Step 2: Convert to fraction form
    13,293.88/19,944.46 = 3,934.36/x
  3. Step 3: Cross multiply
    13,293.88x = 19,944.46 × 3,934.36
  4. Step 4: Simplify right side
    13,293.88x = 78,468,685.65
  5. Step 5: Solve for x
    x = 78,468,685.65/13,293.88
  6. Step 6: Final answer
    x = 5,902.62

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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.