Home / 16,200.26-22,286.10-13,209.56

Finding the Fourth Proportional to 16,200.26, 22,286.10 and 13,209.56

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Solution

The fourth proportional to 16,200.26, 22,286.10 and 13,209.56 is: 18,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.26 : 22,286.10 = 13,209.56 : x
  2. Step 2: Convert to fraction form
    16,200.26/22,286.10 = 13,209.56/x
  3. Step 3: Cross multiply
    16,200.26x = 22,286.10 × 13,209.56
  4. Step 4: Simplify right side
    16,200.26x = 294,389,575.12
  5. Step 5: Solve for x
    x = 294,389,575.12/16,200.26
  6. Step 6: Final answer
    x = 18,171.90

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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.