Home / 22,712.34-34,067.09-8,478.04

Finding the Fourth Proportional to 22,712.34, 34,067.09 and 8,478.04

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Solution

The fourth proportional to 22,712.34, 34,067.09 and 8,478.04 is: 12,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.34 : 34,067.09 = 8,478.04 : x
  2. Step 2: Convert to fraction form
    22,712.34/34,067.09 = 8,478.04/x
  3. Step 3: Cross multiply
    22,712.34x = 34,067.09 × 8,478.04
  4. Step 4: Simplify right side
    22,712.34x = 288,822,109.31
  5. Step 5: Solve for x
    x = 288,822,109.31/22,712.34
  6. Step 6: Final answer
    x = 12,716.53

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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.