Home / 16,091.60-22,195.50-13,107.56

Finding the Fourth Proportional to 16,091.60, 22,195.50 and 13,107.56

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Solution

The fourth proportional to 16,091.60, 22,195.50 and 13,107.56 is: 18,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,091.60 : 22,195.50 = 13,107.56 : x
  2. Step 2: Convert to fraction form
    16,091.60/22,195.50 = 13,107.56/x
  3. Step 3: Cross multiply
    16,091.60x = 22,195.50 × 13,107.56
  4. Step 4: Simplify right side
    16,091.60x = 290,928,847.98
  5. Step 5: Solve for x
    x = 290,928,847.98/16,091.60
  6. Step 6: Final answer
    x = 18,079.55

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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.