Home / 18,408.96-25,403.46-10,450.14

Finding the Fourth Proportional to 18,408.96, 25,403.46 and 10,450.14

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Solution

The fourth proportional to 18,408.96, 25,403.46 and 10,450.14 is: 14,420.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.96 : 25,403.46 = 10,450.14 : x
  2. Step 2: Convert to fraction form
    18,408.96/25,403.46 = 10,450.14/x
  3. Step 3: Cross multiply
    18,408.96x = 25,403.46 × 10,450.14
  4. Step 4: Simplify right side
    18,408.96x = 265,469,713.48
  5. Step 5: Solve for x
    x = 265,469,713.48/18,408.96
  6. Step 6: Final answer
    x = 14,420.68

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Half scale
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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.