Home / 20,749.82-28,633.60-11,796.08

Finding the Fourth Proportional to 20,749.82, 28,633.60 and 11,796.08

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Solution

The fourth proportional to 20,749.82, 28,633.60 and 11,796.08 is: 16,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,749.82 : 28,633.60 = 11,796.08 : x
  2. Step 2: Convert to fraction form
    20,749.82/28,633.60 = 11,796.08/x
  3. Step 3: Cross multiply
    20,749.82x = 28,633.60 × 11,796.08
  4. Step 4: Simplify right side
    20,749.82x = 337,764,236.29
  5. Step 5: Solve for x
    x = 337,764,236.29/20,749.82
  6. Step 6: Final answer
    x = 16,277.94

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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.