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Finding the Fourth Proportional to 17,930.21, 24,743.31 and 9,863.52

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Solution

The fourth proportional to 17,930.21, 24,743.31 and 9,863.52 is: 13,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.21 : 24,743.31 = 9,863.52 : x
  2. Step 2: Convert to fraction form
    17,930.21/24,743.31 = 9,863.52/x
  3. Step 3: Cross multiply
    17,930.21x = 24,743.31 × 9,863.52
  4. Step 4: Simplify right side
    17,930.21x = 244,056,133.05
  5. Step 5: Solve for x
    x = 244,056,133.05/17,930.21
  6. Step 6: Final answer
    x = 13,611.45

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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.