Home / 26,087.82-39,131.73-18,559.68

Finding the Fourth Proportional to 26,087.82, 39,131.73 and 18,559.68

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Solution

The fourth proportional to 26,087.82, 39,131.73 and 18,559.68 is: 27,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087.82 : 39,131.73 = 18,559.68 : x
  2. Step 2: Convert to fraction form
    26,087.82/39,131.73 = 18,559.68/x
  3. Step 3: Cross multiply
    26,087.82x = 39,131.73 × 18,559.68
  4. Step 4: Simplify right side
    26,087.82x = 726,272,386.65
  5. Step 5: Solve for x
    x = 726,272,386.65/26,087.82
  6. Step 6: Final answer
    x = 27,839.52

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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.