Home / 13,440.62-20,164.56-4,676.02

Finding the Fourth Proportional to 13,440.62, 20,164.56 and 4,676.02

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Solution

The fourth proportional to 13,440.62, 20,164.56 and 4,676.02 is: 7,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440.62 : 20,164.56 = 4,676.02 : x
  2. Step 2: Convert to fraction form
    13,440.62/20,164.56 = 4,676.02/x
  3. Step 3: Cross multiply
    13,440.62x = 20,164.56 × 4,676.02
  4. Step 4: Simplify right side
    13,440.62x = 94,289,885.85
  5. Step 5: Solve for x
    x = 94,289,885.85/13,440.62
  6. Step 6: Final answer
    x = 7,015.29

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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.