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Finding the Fourth Proportional to 18,914.44, 26,101.92 and 10,416.48

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Solution

The fourth proportional to 18,914.44, 26,101.92 and 10,416.48 is: 14,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,914.44 : 26,101.92 = 10,416.48 : x
  2. Step 2: Convert to fraction form
    18,914.44/26,101.92 = 10,416.48/x
  3. Step 3: Cross multiply
    18,914.44x = 26,101.92 × 10,416.48
  4. Step 4: Simplify right side
    18,914.44x = 271,890,255.17
  5. Step 5: Solve for x
    x = 271,890,255.17/18,914.44
  6. Step 6: Final answer
    x = 14,374.75

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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.