Home / 27,379.24-41,071.10-8,660.56

Finding the Fourth Proportional to 27,379.24, 41,071.10 and 8,660.56

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Solution

The fourth proportional to 27,379.24, 41,071.10 and 8,660.56 is: 12,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,379.24 : 41,071.10 = 8,660.56 : x
  2. Step 2: Convert to fraction form
    27,379.24/41,071.10 = 8,660.56/x
  3. Step 3: Cross multiply
    27,379.24x = 41,071.10 × 8,660.56
  4. Step 4: Simplify right side
    27,379.24x = 355,698,725.82
  5. Step 5: Solve for x
    x = 355,698,725.82/27,379.24
  6. Step 6: Final answer
    x = 12,991.55

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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.