Home / 22,515.32-33,778.85-13,163.33

Finding the Fourth Proportional to 22,515.32, 33,778.85 and 13,163.33

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Solution

The fourth proportional to 22,515.32, 33,778.85 and 13,163.33 is: 19,748.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.32 : 33,778.85 = 13,163.33 : x
  2. Step 2: Convert to fraction form
    22,515.32/33,778.85 = 13,163.33/x
  3. Step 3: Cross multiply
    22,515.32x = 33,778.85 × 13,163.33
  4. Step 4: Simplify right side
    22,515.32x = 444,641,914.86
  5. Step 5: Solve for x
    x = 444,641,914.86/22,515.32
  6. Step 6: Final answer
    x = 19,748.42

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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.