Home / 17,789.31-26,687.03-7,928.37

Finding the Fourth Proportional to 17,789.31, 26,687.03 and 7,928.37

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Solution

The fourth proportional to 17,789.31, 26,687.03 and 7,928.37 is: 11,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.31 : 26,687.03 = 7,928.37 : x
  2. Step 2: Convert to fraction form
    17,789.31/26,687.03 = 7,928.37/x
  3. Step 3: Cross multiply
    17,789.31x = 26,687.03 × 7,928.37
  4. Step 4: Simplify right side
    17,789.31x = 211,584,608.40
  5. Step 5: Solve for x
    x = 211,584,608.40/17,789.31
  6. Step 6: Final answer
    x = 11,893.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.