Home / 12,822.05-19,236.49-4,056.96

Finding the Fourth Proportional to 12,822.05, 19,236.49 and 4,056.96

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Solution

The fourth proportional to 12,822.05, 19,236.49 and 4,056.96 is: 6,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822.05 : 19,236.49 = 4,056.96 : x
  2. Step 2: Convert to fraction form
    12,822.05/19,236.49 = 4,056.96/x
  3. Step 3: Cross multiply
    12,822.05x = 19,236.49 × 4,056.96
  4. Step 4: Simplify right side
    12,822.05x = 78,041,678.36
  5. Step 5: Solve for x
    x = 78,041,678.36/12,822.05
  6. Step 6: Final answer
    x = 6,086.52

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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.