Home / 26,142.75-39,231.41-12,292.83

Finding the Fourth Proportional to 26,142.75, 39,231.41 and 12,292.83

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Solution

The fourth proportional to 26,142.75, 39,231.41 and 12,292.83 is: 18,447.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,142.75 : 39,231.41 = 12,292.83 : x
  2. Step 2: Convert to fraction form
    26,142.75/39,231.41 = 12,292.83/x
  3. Step 3: Cross multiply
    26,142.75x = 39,231.41 × 12,292.83
  4. Step 4: Simplify right side
    26,142.75x = 482,264,992.33
  5. Step 5: Solve for x
    x = 482,264,992.33/26,142.75
  6. Step 6: Final answer
    x = 18,447.37

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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.