Home / 19,581.75-27,022.82-11,198.25

Finding the Fourth Proportional to 19,581.75, 27,022.82 and 11,198.25

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Solution

The fourth proportional to 19,581.75, 27,022.82 and 11,198.25 is: 15,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.75 : 27,022.82 = 11,198.25 : x
  2. Step 2: Convert to fraction form
    19,581.75/27,022.82 = 11,198.25/x
  3. Step 3: Cross multiply
    19,581.75x = 27,022.82 × 11,198.25
  4. Step 4: Simplify right side
    19,581.75x = 302,608,238.07
  5. Step 5: Solve for x
    x = 302,608,238.07/19,581.75
  6. Step 6: Final answer
    x = 15,453.59

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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.