Home / 18,550.97-27,826.50-5,403.66

Finding the Fourth Proportional to 18,550.97, 27,826.50 and 5,403.66

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Solution

The fourth proportional to 18,550.97, 27,826.50 and 5,403.66 is: 8,105.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.97 : 27,826.50 = 5,403.66 : x
  2. Step 2: Convert to fraction form
    18,550.97/27,826.50 = 5,403.66/x
  3. Step 3: Cross multiply
    18,550.97x = 27,826.50 × 5,403.66
  4. Step 4: Simplify right side
    18,550.97x = 150,364,944.99
  5. Step 5: Solve for x
    x = 150,364,944.99/18,550.97
  6. Step 6: Final answer
    x = 8,105.51

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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.