Home / 13,713.14-20,569.71-3,324.89

Finding the Fourth Proportional to 13,713.14, 20,569.71 and 3,324.89

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Solution

The fourth proportional to 13,713.14, 20,569.71 and 3,324.89 is: 4,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.14 : 20,569.71 = 3,324.89 : x
  2. Step 2: Convert to fraction form
    13,713.14/20,569.71 = 3,324.89/x
  3. Step 3: Cross multiply
    13,713.14x = 20,569.71 × 3,324.89
  4. Step 4: Simplify right side
    13,713.14x = 68,392,086.97
  5. Step 5: Solve for x
    x = 68,392,086.97/13,713.14
  6. Step 6: Final answer
    x = 4,987.34

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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.