Home / 13,291.97-19,936.73-4,057.97

Finding the Fourth Proportional to 13,291.97, 19,936.73 and 4,057.97

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Solution

The fourth proportional to 13,291.97, 19,936.73 and 4,057.97 is: 6,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.97 : 19,936.73 = 4,057.97 : x
  2. Step 2: Convert to fraction form
    13,291.97/19,936.73 = 4,057.97/x
  3. Step 3: Cross multiply
    13,291.97x = 19,936.73 × 4,057.97
  4. Step 4: Simplify right side
    13,291.97x = 80,902,562.70
  5. Step 5: Solve for x
    x = 80,902,562.70/13,291.97
  6. Step 6: Final answer
    x = 6,086.58

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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.