Home / 29,138.97-40,211.60-16,563.72

Finding the Fourth Proportional to 29,138.97, 40,211.60 and 16,563.72

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Solution

The fourth proportional to 29,138.97, 40,211.60 and 16,563.72 is: 22,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.97 : 40,211.60 = 16,563.72 : x
  2. Step 2: Convert to fraction form
    29,138.97/40,211.60 = 16,563.72/x
  3. Step 3: Cross multiply
    29,138.97x = 40,211.60 × 16,563.72
  4. Step 4: Simplify right side
    29,138.97x = 666,053,600.33
  5. Step 5: Solve for x
    x = 666,053,600.33/29,138.97
  6. Step 6: Final answer
    x = 22,857.83

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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.