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Finding the Fourth Proportional to 13,961.93, 20,892.73 and 10,254.97

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Solution

The fourth proportional to 13,961.93, 20,892.73 and 10,254.97 is: 15,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.93 : 20,892.73 = 10,254.97 : x
  2. Step 2: Convert to fraction form
    13,961.93/20,892.73 = 10,254.97/x
  3. Step 3: Cross multiply
    13,961.93x = 20,892.73 × 10,254.97
  4. Step 4: Simplify right side
    13,961.93x = 214,254,163.63
  5. Step 5: Solve for x
    x = 214,254,163.63/13,961.93
  6. Step 6: Final answer
    x = 15,345.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.