Home / 17,103.12-23,593.86-11,138.28

Finding the Fourth Proportional to 17,103.12, 23,593.86 and 11,138.28

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Solution

The fourth proportional to 17,103.12, 23,593.86 and 11,138.28 is: 15,365.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,103.12 : 23,593.86 = 11,138.28 : x
  2. Step 2: Convert to fraction form
    17,103.12/23,593.86 = 11,138.28/x
  3. Step 3: Cross multiply
    17,103.12x = 23,593.86 × 11,138.28
  4. Step 4: Simplify right side
    17,103.12x = 262,795,018.96
  5. Step 5: Solve for x
    x = 262,795,018.96/17,103.12
  6. Step 6: Final answer
    x = 15,365.33

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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.