Home / 26,255.99-39,340.15-18,450.83

Finding the Fourth Proportional to 26,255.99, 39,340.15 and 18,450.83

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Solution

The fourth proportional to 26,255.99, 39,340.15 and 18,450.83 is: 27,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.99 : 39,340.15 = 18,450.83 : x
  2. Step 2: Convert to fraction form
    26,255.99/39,340.15 = 18,450.83/x
  3. Step 3: Cross multiply
    26,255.99x = 39,340.15 × 18,450.83
  4. Step 4: Simplify right side
    26,255.99x = 725,858,419.82
  5. Step 5: Solve for x
    x = 725,858,419.82/26,255.99
  6. Step 6: Final answer
    x = 27,645.44

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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.