Home / 12,896.39-19,343.94-3,536.26

Finding the Fourth Proportional to 12,896.39, 19,343.94 and 3,536.26

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Solution

The fourth proportional to 12,896.39, 19,343.94 and 3,536.26 is: 5,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.39 : 19,343.94 = 3,536.26 : x
  2. Step 2: Convert to fraction form
    12,896.39/19,343.94 = 3,536.26/x
  3. Step 3: Cross multiply
    12,896.39x = 19,343.94 × 3,536.26
  4. Step 4: Simplify right side
    12,896.39x = 68,405,201.26
  5. Step 5: Solve for x
    x = 68,405,201.26/12,896.39
  6. Step 6: Final answer
    x = 5,304.21

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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.