Home / 13,735.20-20,553.48-11,892.60

Finding the Fourth Proportional to 13,735.20, 20,553.48 and 11,892.60

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Solution

The fourth proportional to 13,735.20, 20,553.48 and 11,892.60 is: 17,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,735.20 : 20,553.48 = 11,892.60 : x
  2. Step 2: Convert to fraction form
    13,735.20/20,553.48 = 11,892.60/x
  3. Step 3: Cross multiply
    13,735.20x = 20,553.48 × 11,892.60
  4. Step 4: Simplify right side
    13,735.20x = 244,434,316.25
  5. Step 5: Solve for x
    x = 244,434,316.25/13,735.20
  6. Step 6: Final answer
    x = 17,796.20

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1.5x scale

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.