Home / 16,198.87-22,361.94-11,422.70

Finding the Fourth Proportional to 16,198.87, 22,361.94 and 11,422.70

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Solution

The fourth proportional to 16,198.87, 22,361.94 and 11,422.70 is: 15,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198.87 : 22,361.94 = 11,422.70 : x
  2. Step 2: Convert to fraction form
    16,198.87/22,361.94 = 11,422.70/x
  3. Step 3: Cross multiply
    16,198.87x = 22,361.94 × 11,422.70
  4. Step 4: Simplify right side
    16,198.87x = 255,433,829.87
  5. Step 5: Solve for x
    x = 255,433,829.87/16,198.87
  6. Step 6: Final answer
    x = 15,768.62

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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.