Home / 17,108.91-23,591.64-11,129.49

Finding the Fourth Proportional to 17,108.91, 23,591.64 and 11,129.49

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Solution

The fourth proportional to 17,108.91, 23,591.64 and 11,129.49 is: 15,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.91 : 23,591.64 = 11,129.49 : x
  2. Step 2: Convert to fraction form
    17,108.91/23,591.64 = 11,129.49/x
  3. Step 3: Cross multiply
    17,108.91x = 23,591.64 × 11,129.49
  4. Step 4: Simplify right side
    17,108.91x = 262,562,921.46
  5. Step 5: Solve for x
    x = 262,562,921.46/17,108.91
  6. Step 6: Final answer
    x = 15,346.56

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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.