Home / 27,067.47-40,608.20-8,347.09

Finding the Fourth Proportional to 27,067.47, 40,608.20 and 8,347.09

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Solution

The fourth proportional to 27,067.47, 40,608.20 and 8,347.09 is: 12,522.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.47 : 40,608.20 = 8,347.09 : x
  2. Step 2: Convert to fraction form
    27,067.47/40,608.20 = 8,347.09/x
  3. Step 3: Cross multiply
    27,067.47x = 40,608.20 × 8,347.09
  4. Step 4: Simplify right side
    27,067.47x = 338,960,219.49
  5. Step 5: Solve for x
    x = 338,960,219.49/27,067.47
  6. Step 6: Final answer
    x = 12,522.79

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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.