Home / 22,601.64-31,183.20-13,168.44

Finding the Fourth Proportional to 22,601.64, 31,183.20 and 13,168.44

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Solution

The fourth proportional to 22,601.64, 31,183.20 and 13,168.44 is: 18,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.64 : 31,183.20 = 13,168.44 : x
  2. Step 2: Convert to fraction form
    22,601.64/31,183.20 = 13,168.44/x
  3. Step 3: Cross multiply
    22,601.64x = 31,183.20 × 13,168.44
  4. Step 4: Simplify right side
    22,601.64x = 410,634,098.21
  5. Step 5: Solve for x
    x = 410,634,098.21/22,601.64
  6. Step 6: Final answer
    x = 18,168.33

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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.