Home / 29,161.94-43,708.77-11,138.35

Finding the Fourth Proportional to 29,161.94, 43,708.77 and 11,138.35

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Solution

The fourth proportional to 29,161.94, 43,708.77 and 11,138.35 is: 16,694.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,161.94 : 43,708.77 = 11,138.35 : x
  2. Step 2: Convert to fraction form
    29,161.94/43,708.77 = 11,138.35/x
  3. Step 3: Cross multiply
    29,161.94x = 43,708.77 × 11,138.35
  4. Step 4: Simplify right side
    29,161.94x = 486,843,522.64
  5. Step 5: Solve for x
    x = 486,843,522.64/29,161.94
  6. Step 6: Final answer
    x = 16,694.48

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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.