Home / 13,963.23-20,936.75-5,636.43

Finding the Fourth Proportional to 13,963.23, 20,936.75 and 5,636.43

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Solution

The fourth proportional to 13,963.23, 20,936.75 and 5,636.43 is: 8,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.23 : 20,936.75 = 5,636.43 : x
  2. Step 2: Convert to fraction form
    13,963.23/20,936.75 = 5,636.43/x
  3. Step 3: Cross multiply
    13,963.23x = 20,936.75 × 5,636.43
  4. Step 4: Simplify right side
    13,963.23x = 118,008,497.62
  5. Step 5: Solve for x
    x = 118,008,497.62/13,963.23
  6. Step 6: Final answer
    x = 8,451.38

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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.