Home / 14,884.33-20,540.84-8,170.41

Finding the Fourth Proportional to 14,884.33, 20,540.84 and 8,170.41

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Solution

The fourth proportional to 14,884.33, 20,540.84 and 8,170.41 is: 11,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.33 : 20,540.84 = 8,170.41 : x
  2. Step 2: Convert to fraction form
    14,884.33/20,540.84 = 8,170.41/x
  3. Step 3: Cross multiply
    14,884.33x = 20,540.84 × 8,170.41
  4. Step 4: Simplify right side
    14,884.33x = 167,827,084.54
  5. Step 5: Solve for x
    x = 167,827,084.54/14,884.33
  6. Step 6: Final answer
    x = 11,275.42

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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.