Home / 22,338.14-33,664.09-20,119.75

Finding the Fourth Proportional to 22,338.14, 33,664.09 and 20,119.75

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Solution

The fourth proportional to 22,338.14, 33,664.09 and 20,119.75 is: 30,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.14 : 33,664.09 = 20,119.75 : x
  2. Step 2: Convert to fraction form
    22,338.14/33,664.09 = 20,119.75/x
  3. Step 3: Cross multiply
    22,338.14x = 33,664.09 × 20,119.75
  4. Step 4: Simplify right side
    22,338.14x = 677,313,142.01
  5. Step 5: Solve for x
    x = 677,313,142.01/22,338.14
  6. Step 6: Final answer
    x = 30,320.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.