Home / 19,965.25-29,954.78-6,826.87

Finding the Fourth Proportional to 19,965.25, 29,954.78 and 6,826.87

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Solution

The fourth proportional to 19,965.25, 29,954.78 and 6,826.87 is: 10,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.25 : 29,954.78 = 6,826.87 : x
  2. Step 2: Convert to fraction form
    19,965.25/29,954.78 = 6,826.87/x
  3. Step 3: Cross multiply
    19,965.25x = 29,954.78 × 6,826.87
  4. Step 4: Simplify right side
    19,965.25x = 204,497,388.94
  5. Step 5: Solve for x
    x = 204,497,388.94/19,965.25
  6. Step 6: Final answer
    x = 10,242.67

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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.