Home / 13,056.92-19,548.06-12,229.28

Finding the Fourth Proportional to 13,056.92, 19,548.06 and 12,229.28

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Solution

The fourth proportional to 13,056.92, 19,548.06 and 12,229.28 is: 18,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.92 : 19,548.06 = 12,229.28 : x
  2. Step 2: Convert to fraction form
    13,056.92/19,548.06 = 12,229.28/x
  3. Step 3: Cross multiply
    13,056.92x = 19,548.06 × 12,229.28
  4. Step 4: Simplify right side
    13,056.92x = 239,058,699.20
  5. Step 5: Solve for x
    x = 239,058,699.20/13,056.92
  6. Step 6: Final answer
    x = 18,308.97

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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.