Home / 25,727.97-38,567.31-8,186.38

Finding the Fourth Proportional to 25,727.97, 38,567.31 and 8,186.38

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Solution

The fourth proportional to 25,727.97, 38,567.31 and 8,186.38 is: 12,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.97 : 38,567.31 = 8,186.38 : x
  2. Step 2: Convert to fraction form
    25,727.97/38,567.31 = 8,186.38/x
  3. Step 3: Cross multiply
    25,727.97x = 38,567.31 × 8,186.38
  4. Step 4: Simplify right side
    25,727.97x = 315,726,655.24
  5. Step 5: Solve for x
    x = 315,726,655.24/25,727.97
  6. Step 6: Final answer
    x = 12,271.73

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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.