Home / 12,896.51-19,344.77-3,536.61

Finding the Fourth Proportional to 12,896.51, 19,344.77 and 3,536.61

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Solution

The fourth proportional to 12,896.51, 19,344.77 and 3,536.61 is: 5,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.51 : 19,344.77 = 3,536.61 : x
  2. Step 2: Convert to fraction form
    12,896.51/19,344.77 = 3,536.61/x
  3. Step 3: Cross multiply
    12,896.51x = 19,344.77 × 3,536.61
  4. Step 4: Simplify right side
    12,896.51x = 68,414,889.35
  5. Step 5: Solve for x
    x = 68,414,889.35/12,896.51
  6. Step 6: Final answer
    x = 5,304.92

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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.