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Finding the Fourth Proportional to 13,992.82, 19,310.90 and 8,024.44

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Solution

The fourth proportional to 13,992.82, 19,310.90 and 8,024.44 is: 11,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.82 : 19,310.90 = 8,024.44 : x
  2. Step 2: Convert to fraction form
    13,992.82/19,310.90 = 8,024.44/x
  3. Step 3: Cross multiply
    13,992.82x = 19,310.90 × 8,024.44
  4. Step 4: Simplify right side
    13,992.82x = 154,959,158.40
  5. Step 5: Solve for x
    x = 154,959,158.40/13,992.82
  6. Step 6: Final answer
    x = 11,074.19

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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.