Home / 13,963.96-20,939.36-5,073.02

Finding the Fourth Proportional to 13,963.96, 20,939.36 and 5,073.02

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Solution

The fourth proportional to 13,963.96, 20,939.36 and 5,073.02 is: 7,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.96 : 20,939.36 = 5,073.02 : x
  2. Step 2: Convert to fraction form
    13,963.96/20,939.36 = 5,073.02/x
  3. Step 3: Cross multiply
    13,963.96x = 20,939.36 × 5,073.02
  4. Step 4: Simplify right side
    13,963.96x = 106,225,819.05
  5. Step 5: Solve for x
    x = 106,225,819.05/13,963.96
  6. Step 6: Final answer
    x = 7,607.14

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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.