Home / 13,962.60-20,944.91-5,197.50

Finding the Fourth Proportional to 13,962.60, 20,944.91 and 5,197.50

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Solution

The fourth proportional to 13,962.60, 20,944.91 and 5,197.50 is: 7,796.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.60 : 20,944.91 = 5,197.50 : x
  2. Step 2: Convert to fraction form
    13,962.60/20,944.91 = 5,197.50/x
  3. Step 3: Cross multiply
    13,962.60x = 20,944.91 × 5,197.50
  4. Step 4: Simplify right side
    13,962.60x = 108,861,143.74
  5. Step 5: Solve for x
    x = 108,861,143.74/13,962.60
  6. Step 6: Final answer
    x = 7,796.62

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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.