Home / 19,826.37-27,360.99-11,872.98

Finding the Fourth Proportional to 19,826.37, 27,360.99 and 11,872.98

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Solution

The fourth proportional to 19,826.37, 27,360.99 and 11,872.98 is: 16,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,826.37 : 27,360.99 = 11,872.98 : x
  2. Step 2: Convert to fraction form
    19,826.37/27,360.99 = 11,872.98/x
  3. Step 3: Cross multiply
    19,826.37x = 27,360.99 × 11,872.98
  4. Step 4: Simplify right side
    19,826.37x = 324,856,487.05
  5. Step 5: Solve for x
    x = 324,856,487.05/19,826.37
  6. Step 6: Final answer
    x = 16,385.07

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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.