Home / 13,723.25-20,585.97-3,863.31

Finding the Fourth Proportional to 13,723.25, 20,585.97 and 3,863.31

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Solution

The fourth proportional to 13,723.25, 20,585.97 and 3,863.31 is: 5,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.25 : 20,585.97 = 3,863.31 : x
  2. Step 2: Convert to fraction form
    13,723.25/20,585.97 = 3,863.31/x
  3. Step 3: Cross multiply
    13,723.25x = 20,585.97 × 3,863.31
  4. Step 4: Simplify right side
    13,723.25x = 79,529,983.76
  5. Step 5: Solve for x
    x = 79,529,983.76/13,723.25
  6. Step 6: Final answer
    x = 5,795.28

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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.