Home / 13,723.40-20,584.92-3,335.12

Finding the Fourth Proportional to 13,723.40, 20,584.92 and 3,335.12

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Solution

The fourth proportional to 13,723.40, 20,584.92 and 3,335.12 is: 5,002.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.40 : 20,584.92 = 3,335.12 : x
  2. Step 2: Convert to fraction form
    13,723.40/20,584.92 = 3,335.12/x
  3. Step 3: Cross multiply
    13,723.40x = 20,584.92 × 3,335.12
  4. Step 4: Simplify right side
    13,723.40x = 68,653,178.39
  5. Step 5: Solve for x
    x = 68,653,178.39/13,723.40
  6. Step 6: Final answer
    x = 5,002.64

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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.