Home / 22,138.46-30,550.68-12,067.02

Finding the Fourth Proportional to 22,138.46, 30,550.68 and 12,067.02

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Solution

The fourth proportional to 22,138.46, 30,550.68 and 12,067.02 is: 16,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.46 : 30,550.68 = 12,067.02 : x
  2. Step 2: Convert to fraction form
    22,138.46/30,550.68 = 12,067.02/x
  3. Step 3: Cross multiply
    22,138.46x = 30,550.68 × 12,067.02
  4. Step 4: Simplify right side
    22,138.46x = 368,655,666.57
  5. Step 5: Solve for x
    x = 368,655,666.57/22,138.46
  6. Step 6: Final answer
    x = 16,652.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.