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Finding the Fourth Proportional to 17,960.60, 24,794.30 and 13,918.30

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Solution

The fourth proportional to 17,960.60, 24,794.30 and 13,918.30 is: 19,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.60 : 24,794.30 = 13,918.30 : x
  2. Step 2: Convert to fraction form
    17,960.60/24,794.30 = 13,918.30/x
  3. Step 3: Cross multiply
    17,960.60x = 24,794.30 × 13,918.30
  4. Step 4: Simplify right side
    17,960.60x = 345,094,478.50
  5. Step 5: Solve for x
    x = 345,094,478.50/17,960.60
  6. Step 6: Final answer
    x = 19,213.97

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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.