Home / 16,908.48-23,326.56-11,321.28

Finding the Fourth Proportional to 16,908.48, 23,326.56 and 11,321.28

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Solution

The fourth proportional to 16,908.48, 23,326.56 and 11,321.28 is: 15,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.48 : 23,326.56 = 11,321.28 : x
  2. Step 2: Convert to fraction form
    16,908.48/23,326.56 = 11,321.28/x
  3. Step 3: Cross multiply
    16,908.48x = 23,326.56 × 11,321.28
  4. Step 4: Simplify right side
    16,908.48x = 264,086,517.20
  5. Step 5: Solve for x
    x = 264,086,517.20/16,908.48
  6. Step 6: Final answer
    x = 15,618.58

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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.