Home / 22,247.61-33,361.68-6,661.59

Finding the Fourth Proportional to 22,247.61, 33,361.68 and 6,661.59

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Solution

The fourth proportional to 22,247.61, 33,361.68 and 6,661.59 is: 9,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.61 : 33,361.68 = 6,661.59 : x
  2. Step 2: Convert to fraction form
    22,247.61/33,361.68 = 6,661.59/x
  3. Step 3: Cross multiply
    22,247.61x = 33,361.68 × 6,661.59
  4. Step 4: Simplify right side
    22,247.61x = 222,241,833.87
  5. Step 5: Solve for x
    x = 222,241,833.87/22,247.61
  6. Step 6: Final answer
    x = 9,989.47

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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.