Home / 13,517.96-20,277.14-8,867.48

Finding the Fourth Proportional to 13,517.96, 20,277.14 and 8,867.48

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Solution

The fourth proportional to 13,517.96, 20,277.14 and 8,867.48 is: 13,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.96 : 20,277.14 = 8,867.48 : x
  2. Step 2: Convert to fraction form
    13,517.96/20,277.14 = 8,867.48/x
  3. Step 3: Cross multiply
    13,517.96x = 20,277.14 × 8,867.48
  4. Step 4: Simplify right side
    13,517.96x = 179,806,987.68
  5. Step 5: Solve for x
    x = 179,806,987.68/13,517.96
  6. Step 6: Final answer
    x = 13,301.35

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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.