Home / 16,728.82-23,086.20-10,021.48

Finding the Fourth Proportional to 16,728.82, 23,086.20 and 10,021.48

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Solution

The fourth proportional to 16,728.82, 23,086.20 and 10,021.48 is: 13,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.82 : 23,086.20 = 10,021.48 : x
  2. Step 2: Convert to fraction form
    16,728.82/23,086.20 = 10,021.48/x
  3. Step 3: Cross multiply
    16,728.82x = 23,086.20 × 10,021.48
  4. Step 4: Simplify right side
    16,728.82x = 231,357,891.58
  5. Step 5: Solve for x
    x = 231,357,891.58/16,728.82
  6. Step 6: Final answer
    x = 13,829.90

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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.