Home / 13,796.13-20,694.96-3,934.65

Finding the Fourth Proportional to 13,796.13, 20,694.96 and 3,934.65

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Solution

The fourth proportional to 13,796.13, 20,694.96 and 3,934.65 is: 5,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.13 : 20,694.96 = 3,934.65 : x
  2. Step 2: Convert to fraction form
    13,796.13/20,694.96 = 3,934.65/x
  3. Step 3: Cross multiply
    13,796.13x = 20,694.96 × 3,934.65
  4. Step 4: Simplify right side
    13,796.13x = 81,427,424.36
  5. Step 5: Solve for x
    x = 81,427,424.36/13,796.13
  6. Step 6: Final answer
    x = 5,902.19

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1.5x scale

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.