Home / 16,918.35-23,336.43-11,616.09

Finding the Fourth Proportional to 16,918.35, 23,336.43 and 11,616.09

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Solution

The fourth proportional to 16,918.35, 23,336.43 and 11,616.09 is: 16,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.35 : 23,336.43 = 11,616.09 : x
  2. Step 2: Convert to fraction form
    16,918.35/23,336.43 = 11,616.09/x
  3. Step 3: Cross multiply
    16,918.35x = 23,336.43 × 11,616.09
  4. Step 4: Simplify right side
    16,918.35x = 271,078,071.16
  5. Step 5: Solve for x
    x = 271,078,071.16/16,918.35
  6. Step 6: Final answer
    x = 16,022.73

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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.