Home / 29,856.75-41,185.19-18,659.31

Finding the Fourth Proportional to 29,856.75, 41,185.19 and 18,659.31

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Solution

The fourth proportional to 29,856.75, 41,185.19 and 18,659.31 is: 25,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,856.75 : 41,185.19 = 18,659.31 : x
  2. Step 2: Convert to fraction form
    29,856.75/41,185.19 = 18,659.31/x
  3. Step 3: Cross multiply
    29,856.75x = 41,185.19 × 18,659.31
  4. Step 4: Simplify right side
    29,856.75x = 768,487,227.62
  5. Step 5: Solve for x
    x = 768,487,227.62/29,856.75
  6. Step 6: Final answer
    x = 25,739.15

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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.