Home / 13,723.40-20,585.04-3,335.18

Finding the Fourth Proportional to 13,723.40, 20,585.04 and 3,335.18

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Solution

The fourth proportional to 13,723.40, 20,585.04 and 3,335.18 is: 5,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,723.40 : 20,585.04 = 3,335.18 : x
  2. Step 2: Convert to fraction form
    13,723.40/20,585.04 = 3,335.18/x
  3. Step 3: Cross multiply
    13,723.40x = 20,585.04 × 3,335.18
  4. Step 4: Simplify right side
    13,723.40x = 68,654,813.71
  5. Step 5: Solve for x
    x = 68,654,813.71/13,723.40
  6. Step 6: Final answer
    x = 5,002.76

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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.