Home / 16,896.31-23,317.55-11,221.27

Finding the Fourth Proportional to 16,896.31, 23,317.55 and 11,221.27

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Solution

The fourth proportional to 16,896.31, 23,317.55 and 11,221.27 is: 15,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,896.31 : 23,317.55 = 11,221.27 : x
  2. Step 2: Convert to fraction form
    16,896.31/23,317.55 = 11,221.27/x
  3. Step 3: Cross multiply
    16,896.31x = 23,317.55 × 11,221.27
  4. Step 4: Simplify right side
    16,896.31x = 261,652,524.29
  5. Step 5: Solve for x
    x = 261,652,524.29/16,896.31
  6. Step 6: Final answer
    x = 15,485.78

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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.