Home / 26,192.80-39,288.96-11,399.68

Finding the Fourth Proportional to 26,192.80, 39,288.96 and 11,399.68

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Solution

The fourth proportional to 26,192.80, 39,288.96 and 11,399.68 is: 17,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,192.80 : 39,288.96 = 11,399.68 : x
  2. Step 2: Convert to fraction form
    26,192.80/39,288.96 = 11,399.68/x
  3. Step 3: Cross multiply
    26,192.80x = 39,288.96 × 11,399.68
  4. Step 4: Simplify right side
    26,192.80x = 447,881,571.53
  5. Step 5: Solve for x
    x = 447,881,571.53/26,192.80
  6. Step 6: Final answer
    x = 17,099.42

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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.