Home / 20,066.43-30,099.66-11,804.04

Finding the Fourth Proportional to 20,066.43, 30,099.66 and 11,804.04

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Solution

The fourth proportional to 20,066.43, 30,099.66 and 11,804.04 is: 17,706.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.43 : 30,099.66 = 11,804.04 : x
  2. Step 2: Convert to fraction form
    20,066.43/30,099.66 = 11,804.04/x
  3. Step 3: Cross multiply
    20,066.43x = 30,099.66 × 11,804.04
  4. Step 4: Simplify right side
    20,066.43x = 355,297,590.63
  5. Step 5: Solve for x
    x = 355,297,590.63/20,066.43
  6. Step 6: Final answer
    x = 17,706.07

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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.