Home / 13,793.20-19,028.27-8,125.22

Finding the Fourth Proportional to 13,793.20, 19,028.27 and 8,125.22

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Solution

The fourth proportional to 13,793.20, 19,028.27 and 8,125.22 is: 11,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.20 : 19,028.27 = 8,125.22 : x
  2. Step 2: Convert to fraction form
    13,793.20/19,028.27 = 8,125.22/x
  3. Step 3: Cross multiply
    13,793.20x = 19,028.27 × 8,125.22
  4. Step 4: Simplify right side
    13,793.20x = 154,608,947.85
  5. Step 5: Solve for x
    x = 154,608,947.85/13,793.20
  6. Step 6: Final answer
    x = 11,209.07

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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.