Home / 13,607.19-20,410.91-3,747.02

Finding the Fourth Proportional to 13,607.19, 20,410.91 and 3,747.02

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Solution

The fourth proportional to 13,607.19, 20,410.91 and 3,747.02 is: 5,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.19 : 20,410.91 = 3,747.02 : x
  2. Step 2: Convert to fraction form
    13,607.19/20,410.91 = 3,747.02/x
  3. Step 3: Cross multiply
    13,607.19x = 20,410.91 × 3,747.02
  4. Step 4: Simplify right side
    13,607.19x = 76,479,967.20
  5. Step 5: Solve for x
    x = 76,479,967.20/13,607.19
  6. Step 6: Final answer
    x = 5,620.56

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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.