Home / 26,149.80-36,083.97-15,537.99

Finding the Fourth Proportional to 26,149.80, 36,083.97 and 15,537.99

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Solution

The fourth proportional to 26,149.80, 36,083.97 and 15,537.99 is: 21,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.80 : 36,083.97 = 15,537.99 : x
  2. Step 2: Convert to fraction form
    26,149.80/36,083.97 = 15,537.99/x
  3. Step 3: Cross multiply
    26,149.80x = 36,083.97 × 15,537.99
  4. Step 4: Simplify right side
    26,149.80x = 560,672,365.02
  5. Step 5: Solve for x
    x = 560,672,365.02/26,149.80
  6. Step 6: Final answer
    x = 21,440.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.