Home / 22,571.82-33,855.57-7,778.70

Finding the Fourth Proportional to 22,571.82, 33,855.57 and 7,778.70

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Solution

The fourth proportional to 22,571.82, 33,855.57 and 7,778.70 is: 11,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.82 : 33,855.57 = 7,778.70 : x
  2. Step 2: Convert to fraction form
    22,571.82/33,855.57 = 7,778.70/x
  3. Step 3: Cross multiply
    22,571.82x = 33,855.57 × 7,778.70
  4. Step 4: Simplify right side
    22,571.82x = 263,352,322.36
  5. Step 5: Solve for x
    x = 263,352,322.36/22,571.82
  6. Step 6: Final answer
    x = 11,667.31

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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.