Home / 13,723.68-20,585.56-3,335.42

Finding the Fourth Proportional to 13,723.68, 20,585.56 and 3,335.42

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Solution

The fourth proportional to 13,723.68, 20,585.56 and 3,335.42 is: 5,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.68 : 20,585.56 = 3,335.42 : x
  2. Step 2: Convert to fraction form
    13,723.68/20,585.56 = 3,335.42/x
  3. Step 3: Cross multiply
    13,723.68x = 20,585.56 × 3,335.42
  4. Step 4: Simplify right side
    13,723.68x = 68,661,488.54
  5. Step 5: Solve for x
    x = 68,661,488.54/13,723.68
  6. Step 6: Final answer
    x = 5,003.14

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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.