Home / 26,450.82-36,500.49-15,121.08

Finding the Fourth Proportional to 26,450.82, 36,500.49 and 15,121.08

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Solution

The fourth proportional to 26,450.82, 36,500.49 and 15,121.08 is: 20,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.82 : 36,500.49 = 15,121.08 : x
  2. Step 2: Convert to fraction form
    26,450.82/36,500.49 = 15,121.08/x
  3. Step 3: Cross multiply
    26,450.82x = 36,500.49 × 15,121.08
  4. Step 4: Simplify right side
    26,450.82x = 551,926,829.33
  5. Step 5: Solve for x
    x = 551,926,829.33/26,450.82
  6. Step 6: Final answer
    x = 20,866.15

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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.