Home / 14,884.97-20,540.13-8,169.53

Finding the Fourth Proportional to 14,884.97, 20,540.13 and 8,169.53

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Solution

The fourth proportional to 14,884.97, 20,540.13 and 8,169.53 is: 11,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.97 : 20,540.13 = 8,169.53 : x
  2. Step 2: Convert to fraction form
    14,884.97/20,540.13 = 8,169.53/x
  3. Step 3: Cross multiply
    14,884.97x = 20,540.13 × 8,169.53
  4. Step 4: Simplify right side
    14,884.97x = 167,803,208.24
  5. Step 5: Solve for x
    x = 167,803,208.24/14,884.97
  6. Step 6: Final answer
    x = 11,273.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.