Home / 17,791.44-26,678.34-10,397.76

Finding the Fourth Proportional to 17,791.44, 26,678.34 and 10,397.76

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Solution

The fourth proportional to 17,791.44, 26,678.34 and 10,397.76 is: 15,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.44 : 26,678.34 = 10,397.76 : x
  2. Step 2: Convert to fraction form
    17,791.44/26,678.34 = 10,397.76/x
  3. Step 3: Cross multiply
    17,791.44x = 26,678.34 × 10,397.76
  4. Step 4: Simplify right side
    17,791.44x = 277,394,976.52
  5. Step 5: Solve for x
    x = 277,394,976.52/17,791.44
  6. Step 6: Final answer
    x = 15,591.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.