Home / 20,296.44-28,006.56-11,796.84

Finding the Fourth Proportional to 20,296.44, 28,006.56 and 11,796.84

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Solution

The fourth proportional to 20,296.44, 28,006.56 and 11,796.84 is: 16,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,296.44 : 28,006.56 = 11,796.84 : x
  2. Step 2: Convert to fraction form
    20,296.44/28,006.56 = 11,796.84/x
  3. Step 3: Cross multiply
    20,296.44x = 28,006.56 × 11,796.84
  4. Step 4: Simplify right side
    20,296.44x = 330,388,907.27
  5. Step 5: Solve for x
    x = 330,388,907.27/20,296.44
  6. Step 6: Final answer
    x = 16,278.17

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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.