Home / 19,956.28-29,933.34-6,105.32

Finding the Fourth Proportional to 19,956.28, 29,933.34 and 6,105.32

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Solution

The fourth proportional to 19,956.28, 29,933.34 and 6,105.32 is: 9,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.28 : 29,933.34 = 6,105.32 : x
  2. Step 2: Convert to fraction form
    19,956.28/29,933.34 = 6,105.32/x
  3. Step 3: Cross multiply
    19,956.28x = 29,933.34 × 6,105.32
  4. Step 4: Simplify right side
    19,956.28x = 182,752,619.37
  5. Step 5: Solve for x
    x = 182,752,619.37/19,956.28
  6. Step 6: Final answer
    x = 9,157.65

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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.