Home / 18,183.21-25,095.60-10,228.20

Finding the Fourth Proportional to 18,183.21, 25,095.60 and 10,228.20

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Solution

The fourth proportional to 18,183.21, 25,095.60 and 10,228.20 is: 14,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,183.21 : 25,095.60 = 10,228.20 : x
  2. Step 2: Convert to fraction form
    18,183.21/25,095.60 = 10,228.20/x
  3. Step 3: Cross multiply
    18,183.21x = 25,095.60 × 10,228.20
  4. Step 4: Simplify right side
    18,183.21x = 256,682,815.92
  5. Step 5: Solve for x
    x = 256,682,815.92/18,183.21
  6. Step 6: Final answer
    x = 14,116.47

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Half scale
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Double 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.