Home / 16,902.09-23,310.68-12,663.09

Finding the Fourth Proportional to 16,902.09, 23,310.68 and 12,663.09

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Solution

The fourth proportional to 16,902.09, 23,310.68 and 12,663.09 is: 17,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.09 : 23,310.68 = 12,663.09 : x
  2. Step 2: Convert to fraction form
    16,902.09/23,310.68 = 12,663.09/x
  3. Step 3: Cross multiply
    16,902.09x = 23,310.68 × 12,663.09
  4. Step 4: Simplify right side
    16,902.09x = 295,185,175.49
  5. Step 5: Solve for x
    x = 295,185,175.49/16,902.09
  6. Step 6: Final answer
    x = 17,464.42

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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.