Home / 16,791.28-25,040.20-14,720.88

Finding the Fourth Proportional to 16,791.28, 25,040.20 and 14,720.88

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Solution

The fourth proportional to 16,791.28, 25,040.20 and 14,720.88 is: 21,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.28 : 25,040.20 = 14,720.88 : x
  2. Step 2: Convert to fraction form
    16,791.28/25,040.20 = 14,720.88/x
  3. Step 3: Cross multiply
    16,791.28x = 25,040.20 × 14,720.88
  4. Step 4: Simplify right side
    16,791.28x = 368,613,779.38
  5. Step 5: Solve for x
    x = 368,613,779.38/16,791.28
  6. Step 6: Final answer
    x = 21,952.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.