Home / 33,198.57-45,813.06-19,775.79

Finding the Fourth Proportional to 33,198.57, 45,813.06 and 19,775.79

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Solution

The fourth proportional to 33,198.57, 45,813.06 and 19,775.79 is: 27,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.57 : 45,813.06 = 19,775.79 : x
  2. Step 2: Convert to fraction form
    33,198.57/45,813.06 = 19,775.79/x
  3. Step 3: Cross multiply
    33,198.57x = 45,813.06 × 19,775.79
  4. Step 4: Simplify right side
    33,198.57x = 905,989,453.82
  5. Step 5: Solve for x
    x = 905,989,453.82/33,198.57
  6. Step 6: Final answer
    x = 27,290.01

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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.