Home / 16,138.27-22,268.20-10,087.80

Finding the Fourth Proportional to 16,138.27, 22,268.20 and 10,087.80

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Solution

The fourth proportional to 16,138.27, 22,268.20 and 10,087.80 is: 13,919.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.27 : 22,268.20 = 10,087.80 : x
  2. Step 2: Convert to fraction form
    16,138.27/22,268.20 = 10,087.80/x
  3. Step 3: Cross multiply
    16,138.27x = 22,268.20 × 10,087.80
  4. Step 4: Simplify right side
    16,138.27x = 224,637,147.96
  5. Step 5: Solve for x
    x = 224,637,147.96/16,138.27
  6. Step 6: Final answer
    x = 13,919.53

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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.