Home / 22,198.66-33,298.28-12,400.31

Finding the Fourth Proportional to 22,198.66, 33,298.28 and 12,400.31

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Solution

The fourth proportional to 22,198.66, 33,298.28 and 12,400.31 is: 18,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.66 : 33,298.28 = 12,400.31 : x
  2. Step 2: Convert to fraction form
    22,198.66/33,298.28 = 12,400.31/x
  3. Step 3: Cross multiply
    22,198.66x = 33,298.28 × 12,400.31
  4. Step 4: Simplify right side
    22,198.66x = 412,908,994.47
  5. Step 5: Solve for x
    x = 412,908,994.47/22,198.66
  6. Step 6: Final answer
    x = 18,600.63

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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.