Home / 22,617.45-31,183.40-16,164.80

Finding the Fourth Proportional to 22,617.45, 31,183.40 and 16,164.80

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Solution

The fourth proportional to 22,617.45, 31,183.40 and 16,164.80 is: 22,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.45 : 31,183.40 = 16,164.80 : x
  2. Step 2: Convert to fraction form
    22,617.45/31,183.40 = 16,164.80/x
  3. Step 3: Cross multiply
    22,617.45x = 31,183.40 × 16,164.80
  4. Step 4: Simplify right side
    22,617.45x = 504,073,187.58
  5. Step 5: Solve for x
    x = 504,073,187.58/22,617.45
  6. Step 6: Final answer
    x = 22,286.92

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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.