Home / 22,355.28-30,850.79-12,284.33

Finding the Fourth Proportional to 22,355.28, 30,850.79 and 12,284.33

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Solution

The fourth proportional to 22,355.28, 30,850.79 and 12,284.33 is: 16,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,355.28 : 30,850.79 = 12,284.33 : x
  2. Step 2: Convert to fraction form
    22,355.28/30,850.79 = 12,284.33/x
  3. Step 3: Cross multiply
    22,355.28x = 30,850.79 × 12,284.33
  4. Step 4: Simplify right side
    22,355.28x = 378,981,069.45
  5. Step 5: Solve for x
    x = 378,981,069.45/22,355.28
  6. Step 6: Final answer
    x = 16,952.64

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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.