Home / 19,845.94-29,794.24-12,360.96

Finding the Fourth Proportional to 19,845.94, 29,794.24 and 12,360.96

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Solution

The fourth proportional to 19,845.94, 29,794.24 and 12,360.96 is: 18,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.94 : 29,794.24 = 12,360.96 : x
  2. Step 2: Convert to fraction form
    19,845.94/29,794.24 = 12,360.96/x
  3. Step 3: Cross multiply
    19,845.94x = 29,794.24 × 12,360.96
  4. Step 4: Simplify right side
    19,845.94x = 368,285,408.87
  5. Step 5: Solve for x
    x = 368,285,408.87/19,845.94
  6. Step 6: Final answer
    x = 18,557.22

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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.