Home / 19,796.50-27,318.36-11,843.12

Finding the Fourth Proportional to 19,796.50, 27,318.36 and 11,843.12

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Solution

The fourth proportional to 19,796.50, 27,318.36 and 11,843.12 is: 16,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.50 : 27,318.36 = 11,843.12 : x
  2. Step 2: Convert to fraction form
    19,796.50/27,318.36 = 11,843.12/x
  3. Step 3: Cross multiply
    19,796.50x = 27,318.36 × 11,843.12
  4. Step 4: Simplify right side
    19,796.50x = 323,534,615.68
  5. Step 5: Solve for x
    x = 323,534,615.68/19,796.50
  6. Step 6: Final answer
    x = 16,343.02

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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.