Home / 16,796.18-23,179.86-11,121.12

Finding the Fourth Proportional to 16,796.18, 23,179.86 and 11,121.12

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Solution

The fourth proportional to 16,796.18, 23,179.86 and 11,121.12 is: 15,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,796.18 : 23,179.86 = 11,121.12 : x
  2. Step 2: Convert to fraction form
    16,796.18/23,179.86 = 11,121.12/x
  3. Step 3: Cross multiply
    16,796.18x = 23,179.86 × 11,121.12
  4. Step 4: Simplify right side
    16,796.18x = 257,786,004.64
  5. Step 5: Solve for x
    x = 257,786,004.64/16,796.18
  6. Step 6: Final answer
    x = 15,347.89

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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.