Home / 12,555.11-18,832.57-3,195.04

Finding the Fourth Proportional to 12,555.11, 18,832.57 and 3,195.04

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Solution

The fourth proportional to 12,555.11, 18,832.57 and 3,195.04 is: 4,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.11 : 18,832.57 = 3,195.04 : x
  2. Step 2: Convert to fraction form
    12,555.11/18,832.57 = 3,195.04/x
  3. Step 3: Cross multiply
    12,555.11x = 18,832.57 × 3,195.04
  4. Step 4: Simplify right side
    12,555.11x = 60,170,814.45
  5. Step 5: Solve for x
    x = 60,170,814.45/12,555.11
  6. Step 6: Final answer
    x = 4,792.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.