Home / 17,919.54-24,728.94-9,961.77

Finding the Fourth Proportional to 17,919.54, 24,728.94 and 9,961.77

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Solution

The fourth proportional to 17,919.54, 24,728.94 and 9,961.77 is: 13,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.54 : 24,728.94 = 9,961.77 : x
  2. Step 2: Convert to fraction form
    17,919.54/24,728.94 = 9,961.77/x
  3. Step 3: Cross multiply
    17,919.54x = 24,728.94 × 9,961.77
  4. Step 4: Simplify right side
    17,919.54x = 246,344,012.62
  5. Step 5: Solve for x
    x = 246,344,012.62/17,919.54
  6. Step 6: Final answer
    x = 13,747.23

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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.