Home / 19,796.05-27,308.19-12,239.96

Finding the Fourth Proportional to 19,796.05, 27,308.19 and 12,239.96

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Solution

The fourth proportional to 19,796.05, 27,308.19 and 12,239.96 is: 16,884.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.05 : 27,308.19 = 12,239.96 : x
  2. Step 2: Convert to fraction form
    19,796.05/27,308.19 = 12,239.96/x
  3. Step 3: Cross multiply
    19,796.05x = 27,308.19 × 12,239.96
  4. Step 4: Simplify right side
    19,796.05x = 334,251,267.44
  5. Step 5: Solve for x
    x = 334,251,267.44/19,796.05
  6. Step 6: Final answer
    x = 16,884.75

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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.