Home / 26,236.80-39,371.20-10,438.97

Finding the Fourth Proportional to 26,236.80, 39,371.20 and 10,438.97

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Solution

The fourth proportional to 26,236.80, 39,371.20 and 10,438.97 is: 15,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,236.80 : 39,371.20 = 10,438.97 : x
  2. Step 2: Convert to fraction form
    26,236.80/39,371.20 = 10,438.97/x
  3. Step 3: Cross multiply
    26,236.80x = 39,371.20 × 10,438.97
  4. Step 4: Simplify right side
    26,236.80x = 410,994,552.71
  5. Step 5: Solve for x
    x = 410,994,552.71/26,236.80
  6. Step 6: Final answer
    x = 15,664.81

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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.