Home / 22,350.23-30,843.17-12,278.64

Finding the Fourth Proportional to 22,350.23, 30,843.17 and 12,278.64

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Solution

The fourth proportional to 22,350.23, 30,843.17 and 12,278.64 is: 16,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.23 : 30,843.17 = 12,278.64 : x
  2. Step 2: Convert to fraction form
    22,350.23/30,843.17 = 12,278.64/x
  3. Step 3: Cross multiply
    22,350.23x = 30,843.17 × 12,278.64
  4. Step 4: Simplify right side
    22,350.23x = 378,712,119.50
  5. Step 5: Solve for x
    x = 378,712,119.50/22,350.23
  6. Step 6: Final answer
    x = 16,944.44

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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.