Home / 29,408.58-40,568.31-18,634.44

Finding the Fourth Proportional to 29,408.58, 40,568.31 and 18,634.44

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Solution

The fourth proportional to 29,408.58, 40,568.31 and 18,634.44 is: 25,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,408.58 : 40,568.31 = 18,634.44 : x
  2. Step 2: Convert to fraction form
    29,408.58/40,568.31 = 18,634.44/x
  3. Step 3: Cross multiply
    29,408.58x = 40,568.31 × 18,634.44
  4. Step 4: Simplify right side
    29,408.58x = 755,967,738.60
  5. Step 5: Solve for x
    x = 755,967,738.60/29,408.58
  6. Step 6: Final answer
    x = 25,705.69

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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.