Home / 14,741.68-20,348.76-13,167.04

Finding the Fourth Proportional to 14,741.68, 20,348.76 and 13,167.04

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Solution

The fourth proportional to 14,741.68, 20,348.76 and 13,167.04 is: 18,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,741.68 : 20,348.76 = 13,167.04 : x
  2. Step 2: Convert to fraction form
    14,741.68/20,348.76 = 13,167.04/x
  3. Step 3: Cross multiply
    14,741.68x = 20,348.76 × 13,167.04
  4. Step 4: Simplify right side
    14,741.68x = 267,932,936.87
  5. Step 5: Solve for x
    x = 267,932,936.87/14,741.68
  6. Step 6: Final answer
    x = 18,175.20

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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.