Home / 18,183.22-25,086.81-14,820.25

Finding the Fourth Proportional to 18,183.22, 25,086.81 and 14,820.25

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Solution

The fourth proportional to 18,183.22, 25,086.81 and 14,820.25 is: 20,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.22 : 25,086.81 = 14,820.25 : x
  2. Step 2: Convert to fraction form
    18,183.22/25,086.81 = 14,820.25/x
  3. Step 3: Cross multiply
    18,183.22x = 25,086.81 × 14,820.25
  4. Step 4: Simplify right side
    18,183.22x = 371,792,795.90
  5. Step 5: Solve for x
    x = 371,792,795.90/18,183.22
  6. Step 6: Final answer
    x = 20,447.03

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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.