Home / 17,202.20-23,720.10-11,222.60

Finding the Fourth Proportional to 17,202.20, 23,720.10 and 11,222.60

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Solution

The fourth proportional to 17,202.20, 23,720.10 and 11,222.60 is: 15,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,202.20 : 23,720.10 = 11,222.60 : x
  2. Step 2: Convert to fraction form
    17,202.20/23,720.10 = 11,222.60/x
  3. Step 3: Cross multiply
    17,202.20x = 23,720.10 × 11,222.60
  4. Step 4: Simplify right side
    17,202.20x = 266,201,194.26
  5. Step 5: Solve for x
    x = 266,201,194.26/17,202.20
  6. Step 6: Final answer
    x = 15,474.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.