Home / 16,731.39-23,086.70-9,656.49

Finding the Fourth Proportional to 16,731.39, 23,086.70 and 9,656.49

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Solution

The fourth proportional to 16,731.39, 23,086.70 and 9,656.49 is: 13,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.39 : 23,086.70 = 9,656.49 : x
  2. Step 2: Convert to fraction form
    16,731.39/23,086.70 = 9,656.49/x
  3. Step 3: Cross multiply
    16,731.39x = 23,086.70 × 9,656.49
  4. Step 4: Simplify right side
    16,731.39x = 222,936,439.40
  5. Step 5: Solve for x
    x = 222,936,439.40/16,731.39
  6. Step 6: Final answer
    x = 13,324.44

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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.