Home / 13,823.63-20,735.37-3,962.89

Finding the Fourth Proportional to 13,823.63, 20,735.37 and 3,962.89

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Solution

The fourth proportional to 13,823.63, 20,735.37 and 3,962.89 is: 5,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.63 : 20,735.37 = 3,962.89 : x
  2. Step 2: Convert to fraction form
    13,823.63/20,735.37 = 3,962.89/x
  3. Step 3: Cross multiply
    13,823.63x = 20,735.37 × 3,962.89
  4. Step 4: Simplify right side
    13,823.63x = 82,171,990.42
  5. Step 5: Solve for x
    x = 82,171,990.42/13,823.63
  6. Step 6: Final answer
    x = 5,944.31

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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.