Home / 12,845.89-19,257.15-4,943.36

Finding the Fourth Proportional to 12,845.89, 19,257.15 and 4,943.36

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Solution

The fourth proportional to 12,845.89, 19,257.15 and 4,943.36 is: 7,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.89 : 19,257.15 = 4,943.36 : x
  2. Step 2: Convert to fraction form
    12,845.89/19,257.15 = 4,943.36/x
  3. Step 3: Cross multiply
    12,845.89x = 19,257.15 × 4,943.36
  4. Step 4: Simplify right side
    12,845.89x = 95,195,025.02
  5. Step 5: Solve for x
    x = 95,195,025.02/12,845.89
  6. Step 6: Final answer
    x = 7,410.54

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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.