Home / 16,489.28-22,757.90-12,268.37

Finding the Fourth Proportional to 16,489.28, 22,757.90 and 12,268.37

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Solution

The fourth proportional to 16,489.28, 22,757.90 and 12,268.37 is: 16,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.28 : 22,757.90 = 12,268.37 : x
  2. Step 2: Convert to fraction form
    16,489.28/22,757.90 = 12,268.37/x
  3. Step 3: Cross multiply
    16,489.28x = 22,757.90 × 12,268.37
  4. Step 4: Simplify right side
    16,489.28x = 279,202,333.18
  5. Step 5: Solve for x
    x = 279,202,333.18/16,489.28
  6. Step 6: Final answer
    x = 16,932.35

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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.