Home / 22,361.82-30,858.66-12,801.39

Finding the Fourth Proportional to 22,361.82, 30,858.66 and 12,801.39

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Solution

The fourth proportional to 22,361.82, 30,858.66 and 12,801.39 is: 17,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.82 : 30,858.66 = 12,801.39 : x
  2. Step 2: Convert to fraction form
    22,361.82/30,858.66 = 12,801.39/x
  3. Step 3: Cross multiply
    22,361.82x = 30,858.66 × 12,801.39
  4. Step 4: Simplify right side
    22,361.82x = 395,033,523.24
  5. Step 5: Solve for x
    x = 395,033,523.24/22,361.82
  6. Step 6: Final answer
    x = 17,665.54

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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.