Home / 19,956.56-29,939.24-5,917.70

Finding the Fourth Proportional to 19,956.56, 29,939.24 and 5,917.70

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Solution

The fourth proportional to 19,956.56, 29,939.24 and 5,917.70 is: 8,877.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.56 : 29,939.24 = 5,917.70 : x
  2. Step 2: Convert to fraction form
    19,956.56/29,939.24 = 5,917.70/x
  3. Step 3: Cross multiply
    19,956.56x = 29,939.24 × 5,917.70
  4. Step 4: Simplify right side
    19,956.56x = 177,171,496.90
  5. Step 5: Solve for x
    x = 177,171,496.90/19,956.56
  6. Step 6: Final answer
    x = 8,877.86

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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.