Home / 13,936.20-19,232.64-7,968.36

Finding the Fourth Proportional to 13,936.20, 19,232.64 and 7,968.36

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Solution

The fourth proportional to 13,936.20, 19,232.64 and 7,968.36 is: 10,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936.20 : 19,232.64 = 7,968.36 : x
  2. Step 2: Convert to fraction form
    13,936.20/19,232.64 = 7,968.36/x
  3. Step 3: Cross multiply
    13,936.20x = 19,232.64 × 7,968.36
  4. Step 4: Simplify right side
    13,936.20x = 153,252,599.27
  5. Step 5: Solve for x
    x = 153,252,599.27/13,936.20
  6. Step 6: Final answer
    x = 10,996.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.