Home / 26,556.54-39,859.42-13,418.12

Finding the Fourth Proportional to 26,556.54, 39,859.42 and 13,418.12

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Solution

The fourth proportional to 26,556.54, 39,859.42 and 13,418.12 is: 20,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,556.54 : 39,859.42 = 13,418.12 : x
  2. Step 2: Convert to fraction form
    26,556.54/39,859.42 = 13,418.12/x
  3. Step 3: Cross multiply
    26,556.54x = 39,859.42 × 13,418.12
  4. Step 4: Simplify right side
    26,556.54x = 534,838,480.69
  5. Step 5: Solve for x
    x = 534,838,480.69/26,556.54
  6. Step 6: Final answer
    x = 20,139.61

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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.