Home / 14,338.44-19,782.36-8,369.28

Finding the Fourth Proportional to 14,338.44, 19,782.36 and 8,369.28

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Solution

The fourth proportional to 14,338.44, 19,782.36 and 8,369.28 is: 11,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.44 : 19,782.36 = 8,369.28 : x
  2. Step 2: Convert to fraction form
    14,338.44/19,782.36 = 8,369.28/x
  3. Step 3: Cross multiply
    14,338.44x = 19,782.36 × 8,369.28
  4. Step 4: Simplify right side
    14,338.44x = 165,564,109.90
  5. Step 5: Solve for x
    x = 165,564,109.90/14,338.44
  6. Step 6: Final answer
    x = 11,546.87

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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.