Home / 17,015.38-23,481.30-9,940.30

Finding the Fourth Proportional to 17,015.38, 23,481.30 and 9,940.30

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Solution

The fourth proportional to 17,015.38, 23,481.30 and 9,940.30 is: 13,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,015.38 : 23,481.30 = 9,940.30 : x
  2. Step 2: Convert to fraction form
    17,015.38/23,481.30 = 9,940.30/x
  3. Step 3: Cross multiply
    17,015.38x = 23,481.30 × 9,940.30
  4. Step 4: Simplify right side
    17,015.38x = 233,411,166.39
  5. Step 5: Solve for x
    x = 233,411,166.39/17,015.38
  6. Step 6: Final answer
    x = 13,717.66

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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.