Home / 16,679.26-23,016.87-9,963.37

Finding the Fourth Proportional to 16,679.26, 23,016.87 and 9,963.37

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Solution

The fourth proportional to 16,679.26, 23,016.87 and 9,963.37 is: 13,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.26 : 23,016.87 = 9,963.37 : x
  2. Step 2: Convert to fraction form
    16,679.26/23,016.87 = 9,963.37/x
  3. Step 3: Cross multiply
    16,679.26x = 23,016.87 × 9,963.37
  4. Step 4: Simplify right side
    16,679.26x = 229,325,592.05
  5. Step 5: Solve for x
    x = 229,325,592.05/16,679.26
  6. Step 6: Final answer
    x = 13,749.15

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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.