Home / 22,016.66-33,028.65-7,221.60

Finding the Fourth Proportional to 22,016.66, 33,028.65 and 7,221.60

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Solution

The fourth proportional to 22,016.66, 33,028.65 and 7,221.60 is: 10,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.66 : 33,028.65 = 7,221.60 : x
  2. Step 2: Convert to fraction form
    22,016.66/33,028.65 = 7,221.60/x
  3. Step 3: Cross multiply
    22,016.66x = 33,028.65 × 7,221.60
  4. Step 4: Simplify right side
    22,016.66x = 238,519,698.84
  5. Step 5: Solve for x
    x = 238,519,698.84/22,016.66
  6. Step 6: Final answer
    x = 10,833.60

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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.