Home / 26,789.82-40,187.52-9,257.40

Finding the Fourth Proportional to 26,789.82, 40,187.52 and 9,257.40

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Solution

The fourth proportional to 26,789.82, 40,187.52 and 9,257.40 is: 13,887.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,789.82 : 40,187.52 = 9,257.40 : x
  2. Step 2: Convert to fraction form
    26,789.82/40,187.52 = 9,257.40/x
  3. Step 3: Cross multiply
    26,789.82x = 40,187.52 × 9,257.40
  4. Step 4: Simplify right side
    26,789.82x = 372,031,947.65
  5. Step 5: Solve for x
    x = 372,031,947.65/26,789.82
  6. Step 6: Final answer
    x = 13,887.06

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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.