Home / 18,140.22-25,033.50-10,183.20

Finding the Fourth Proportional to 18,140.22, 25,033.50 and 10,183.20

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Solution

The fourth proportional to 18,140.22, 25,033.50 and 10,183.20 is: 14,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.22 : 25,033.50 = 10,183.20 : x
  2. Step 2: Convert to fraction form
    18,140.22/25,033.50 = 10,183.20/x
  3. Step 3: Cross multiply
    18,140.22x = 25,033.50 × 10,183.20
  4. Step 4: Simplify right side
    18,140.22x = 254,921,137.20
  5. Step 5: Solve for x
    x = 254,921,137.20/18,140.22
  6. Step 6: Final answer
    x = 14,052.81

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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.