Home / 54,874.04-82,311.15-13,321.04

Finding the Fourth Proportional to 54,874.04, 82,311.15 and 13,321.04

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Solution

The fourth proportional to 54,874.04, 82,311.15 and 13,321.04 is: 19,981.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.04 : 82,311.15 = 13,321.04 : x
  2. Step 2: Convert to fraction form
    54,874.04/82,311.15 = 13,321.04/x
  3. Step 3: Cross multiply
    54,874.04x = 82,311.15 × 13,321.04
  4. Step 4: Simplify right side
    54,874.04x = 1,096,470,121.60
  5. Step 5: Solve for x
    x = 1,096,470,121.60/54,874.04
  6. Step 6: Final answer
    x = 19,981.58

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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.