Home / 16,919.97-23,349.38-10,117.11

Finding the Fourth Proportional to 16,919.97, 23,349.38 and 10,117.11

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Solution

The fourth proportional to 16,919.97, 23,349.38 and 10,117.11 is: 13,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.97 : 23,349.38 = 10,117.11 : x
  2. Step 2: Convert to fraction form
    16,919.97/23,349.38 = 10,117.11/x
  3. Step 3: Cross multiply
    16,919.97x = 23,349.38 × 10,117.11
  4. Step 4: Simplify right side
    16,919.97x = 236,228,245.89
  5. Step 5: Solve for x
    x = 236,228,245.89/16,919.97
  6. Step 6: Final answer
    x = 13,961.51

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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.