Home / 33,198.82-45,814.60-19,770.64

Finding the Fourth Proportional to 33,198.82, 45,814.60 and 19,770.64

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Solution

The fourth proportional to 33,198.82, 45,814.60 and 19,770.64 is: 27,283.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.82 : 45,814.60 = 19,770.64 : x
  2. Step 2: Convert to fraction form
    33,198.82/45,814.60 = 19,770.64/x
  3. Step 3: Cross multiply
    33,198.82x = 45,814.60 × 19,770.64
  4. Step 4: Simplify right side
    33,198.82x = 905,783,963.34
  5. Step 5: Solve for x
    x = 905,783,963.34/33,198.82
  6. Step 6: Final answer
    x = 27,283.62

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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.