Home / 13,301.19-19,951.98-3,942.16

Finding the Fourth Proportional to 13,301.19, 19,951.98 and 3,942.16

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Solution

The fourth proportional to 13,301.19, 19,951.98 and 3,942.16 is: 5,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.19 : 19,951.98 = 3,942.16 : x
  2. Step 2: Convert to fraction form
    13,301.19/19,951.98 = 3,942.16/x
  3. Step 3: Cross multiply
    13,301.19x = 19,951.98 × 3,942.16
  4. Step 4: Simplify right side
    13,301.19x = 78,653,822.66
  5. Step 5: Solve for x
    x = 78,653,822.66/13,301.19
  6. Step 6: Final answer
    x = 5,913.29

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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.