Home / 13,027.20-19,553.82-7,186.56

Finding the Fourth Proportional to 13,027.20, 19,553.82 and 7,186.56

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Solution

The fourth proportional to 13,027.20, 19,553.82 and 7,186.56 is: 10,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.20 : 19,553.82 = 7,186.56 : x
  2. Step 2: Convert to fraction form
    13,027.20/19,553.82 = 7,186.56/x
  3. Step 3: Cross multiply
    13,027.20x = 19,553.82 × 7,186.56
  4. Step 4: Simplify right side
    13,027.20x = 140,524,700.66
  5. Step 5: Solve for x
    x = 140,524,700.66/13,027.20
  6. Step 6: Final answer
    x = 10,787.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.