Home / 17,345.12-23,936.34-9,791.78

Finding the Fourth Proportional to 17,345.12, 23,936.34 and 9,791.78

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Solution

The fourth proportional to 17,345.12, 23,936.34 and 9,791.78 is: 13,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,345.12 : 23,936.34 = 9,791.78 : x
  2. Step 2: Convert to fraction form
    17,345.12/23,936.34 = 9,791.78/x
  3. Step 3: Cross multiply
    17,345.12x = 23,936.34 × 9,791.78
  4. Step 4: Simplify right side
    17,345.12x = 234,379,255.60
  5. Step 5: Solve for x
    x = 234,379,255.60/17,345.12
  6. Step 6: Final answer
    x = 13,512.70

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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.