Home / 27,666.20-41,493.90-9,198.20

Finding the Fourth Proportional to 27,666.20, 41,493.90 and 9,198.20

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Solution

The fourth proportional to 27,666.20, 41,493.90 and 9,198.20 is: 13,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.20 : 41,493.90 = 9,198.20 : x
  2. Step 2: Convert to fraction form
    27,666.20/41,493.90 = 9,198.20/x
  3. Step 3: Cross multiply
    27,666.20x = 41,493.90 × 9,198.20
  4. Step 4: Simplify right side
    27,666.20x = 381,669,190.98
  5. Step 5: Solve for x
    x = 381,669,190.98/27,666.20
  6. Step 6: Final answer
    x = 13,795.50

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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.