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Finding the Fourth Proportional to 17,118.21, 23,610.11 and 14,732.15

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Solution

The fourth proportional to 17,118.21, 23,610.11 and 14,732.15 is: 20,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,118.21 : 23,610.11 = 14,732.15 : x
  2. Step 2: Convert to fraction form
    17,118.21/23,610.11 = 14,732.15/x
  3. Step 3: Cross multiply
    17,118.21x = 23,610.11 × 14,732.15
  4. Step 4: Simplify right side
    17,118.21x = 347,827,490.33
  5. Step 5: Solve for x
    x = 347,827,490.33/17,118.21
  6. Step 6: Final answer
    x = 20,319.15

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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.