Home / 29,013.94-43,540.37-18,632.98

Finding the Fourth Proportional to 29,013.94, 43,540.37 and 18,632.98

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Solution

The fourth proportional to 29,013.94, 43,540.37 and 18,632.98 is: 27,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,013.94 : 43,540.37 = 18,632.98 : x
  2. Step 2: Convert to fraction form
    29,013.94/43,540.37 = 18,632.98/x
  3. Step 3: Cross multiply
    29,013.94x = 43,540.37 × 18,632.98
  4. Step 4: Simplify right side
    29,013.94x = 811,286,843.40
  5. Step 5: Solve for x
    x = 811,286,843.40/29,013.94
  6. Step 6: Final answer
    x = 27,961.97

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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.