Home / 12,822.59-19,231.97-4,056.37

Finding the Fourth Proportional to 12,822.59, 19,231.97 and 4,056.37

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Solution

The fourth proportional to 12,822.59, 19,231.97 and 4,056.37 is: 6,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.59 : 19,231.97 = 4,056.37 : x
  2. Step 2: Convert to fraction form
    12,822.59/19,231.97 = 4,056.37/x
  3. Step 3: Cross multiply
    12,822.59x = 19,231.97 × 4,056.37
  4. Step 4: Simplify right side
    12,822.59x = 78,011,917.79
  5. Step 5: Solve for x
    x = 78,011,917.79/12,822.59
  6. Step 6: Final answer
    x = 6,083.94

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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.