Home / 22,163.76-33,148.44-19,286.64

Finding the Fourth Proportional to 22,163.76, 33,148.44 and 19,286.64

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Solution

The fourth proportional to 22,163.76, 33,148.44 and 19,286.64 is: 28,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.76 : 33,148.44 = 19,286.64 : x
  2. Step 2: Convert to fraction form
    22,163.76/33,148.44 = 19,286.64/x
  3. Step 3: Cross multiply
    22,163.76x = 33,148.44 × 19,286.64
  4. Step 4: Simplify right side
    22,163.76x = 639,322,028.84
  5. Step 5: Solve for x
    x = 639,322,028.84/22,163.76
  6. Step 6: Final answer
    x = 28,845.38

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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.