Home / 17,239.62-23,791.69-12,983.18

Finding the Fourth Proportional to 17,239.62, 23,791.69 and 12,983.18

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Solution

The fourth proportional to 17,239.62, 23,791.69 and 12,983.18 is: 17,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.62 : 23,791.69 = 12,983.18 : x
  2. Step 2: Convert to fraction form
    17,239.62/23,791.69 = 12,983.18/x
  3. Step 3: Cross multiply
    17,239.62x = 23,791.69 × 12,983.18
  4. Step 4: Simplify right side
    17,239.62x = 308,891,793.77
  5. Step 5: Solve for x
    x = 308,891,793.77/17,239.62
  6. Step 6: Final answer
    x = 17,917.55

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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.