Home / 13,282.44-19,921.70-4,961.42

Finding the Fourth Proportional to 13,282.44, 19,921.70 and 4,961.42

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Solution

The fourth proportional to 13,282.44, 19,921.70 and 4,961.42 is: 7,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.44 : 19,921.70 = 4,961.42 : x
  2. Step 2: Convert to fraction form
    13,282.44/19,921.70 = 4,961.42/x
  3. Step 3: Cross multiply
    13,282.44x = 19,921.70 × 4,961.42
  4. Step 4: Simplify right side
    13,282.44x = 98,839,796.40
  5. Step 5: Solve for x
    x = 98,839,796.40/13,282.44
  6. Step 6: Final answer
    x = 7,441.39

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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.