Home / 17,272.20-25,921.44-11,712.36

Finding the Fourth Proportional to 17,272.20, 25,921.44 and 11,712.36

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Solution

The fourth proportional to 17,272.20, 25,921.44 and 11,712.36 is: 17,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,272.20 : 25,921.44 = 11,712.36 : x
  2. Step 2: Convert to fraction form
    17,272.20/25,921.44 = 11,712.36/x
  3. Step 3: Cross multiply
    17,272.20x = 25,921.44 × 11,712.36
  4. Step 4: Simplify right side
    17,272.20x = 303,601,237.00
  5. Step 5: Solve for x
    x = 303,601,237.00/17,272.20
  6. Step 6: Final answer
    x = 17,577.45

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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.