Home / 27,826.45-41,739.75-8,105.49

Finding the Fourth Proportional to 27,826.45, 41,739.75 and 8,105.49

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Solution

The fourth proportional to 27,826.45, 41,739.75 and 8,105.49 is: 12,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.45 : 41,739.75 = 8,105.49 : x
  2. Step 2: Convert to fraction form
    27,826.45/41,739.75 = 8,105.49/x
  3. Step 3: Cross multiply
    27,826.45x = 41,739.75 × 8,105.49
  4. Step 4: Simplify right side
    27,826.45x = 338,321,126.23
  5. Step 5: Solve for x
    x = 338,321,126.23/27,826.45
  6. Step 6: Final answer
    x = 12,158.26

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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.