Home / 13,396.42-20,076.36-5,071.96

Finding the Fourth Proportional to 13,396.42, 20,076.36 and 5,071.96

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Solution

The fourth proportional to 13,396.42, 20,076.36 and 5,071.96 is: 7,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,396.42 : 20,076.36 = 5,071.96 : x
  2. Step 2: Convert to fraction form
    13,396.42/20,076.36 = 5,071.96/x
  3. Step 3: Cross multiply
    13,396.42x = 20,076.36 × 5,071.96
  4. Step 4: Simplify right side
    13,396.42x = 101,826,494.87
  5. Step 5: Solve for x
    x = 101,826,494.87/13,396.42
  6. Step 6: Final answer
    x = 7,601.02

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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.