Home / 13,183.17-19,772.69-4,418.16

Finding the Fourth Proportional to 13,183.17, 19,772.69 and 4,418.16

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Solution

The fourth proportional to 13,183.17, 19,772.69 and 4,418.16 is: 6,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.17 : 19,772.69 = 4,418.16 : x
  2. Step 2: Convert to fraction form
    13,183.17/19,772.69 = 4,418.16/x
  3. Step 3: Cross multiply
    13,183.17x = 19,772.69 × 4,418.16
  4. Step 4: Simplify right side
    13,183.17x = 87,358,885.96
  5. Step 5: Solve for x
    x = 87,358,885.96/13,183.17
  6. Step 6: Final answer
    x = 6,626.55

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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.