Home / 19,362.28-28,997.34-11,137

Finding the Fourth Proportional to 19,362.28, 28,997.34 and 11,137

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Solution

The fourth proportional to 19,362.28, 28,997.34 and 11,137 is: 16,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.28 : 28,997.34 = 11,137 : x
  2. Step 2: Convert to fraction form
    19,362.28/28,997.34 = 11,137/x
  3. Step 3: Cross multiply
    19,362.28x = 28,997.34 × 11,137
  4. Step 4: Simplify right side
    19,362.28x = 322,943,375.58
  5. Step 5: Solve for x
    x = 322,943,375.58/19,362.28
  6. Step 6: Final answer
    x = 16,679.00

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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.