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Finding the Fourth Proportional to 15,996, 23,965.21 and 9,418.60

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Solution

The fourth proportional to 15,996, 23,965.21 and 9,418.60 is: 14,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996 : 23,965.21 = 9,418.60 : x
  2. Step 2: Convert to fraction form
    15,996/23,965.21 = 9,418.60/x
  3. Step 3: Cross multiply
    15,996x = 23,965.21 × 9,418.60
  4. Step 4: Simplify right side
    15,996x = 225,718,726.91
  5. Step 5: Solve for x
    x = 225,718,726.91/15,996
  6. Step 6: Final answer
    x = 14,110.95

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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.