Home / 13,372.12-20,060.04-5,579.14

Finding the Fourth Proportional to 13,372.12, 20,060.04 and 5,579.14

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Solution

The fourth proportional to 13,372.12, 20,060.04 and 5,579.14 is: 8,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.12 : 20,060.04 = 5,579.14 : x
  2. Step 2: Convert to fraction form
    13,372.12/20,060.04 = 5,579.14/x
  3. Step 3: Cross multiply
    13,372.12x = 20,060.04 × 5,579.14
  4. Step 4: Simplify right side
    13,372.12x = 111,917,771.57
  5. Step 5: Solve for x
    x = 111,917,771.57/13,372.12
  6. Step 6: Final answer
    x = 8,369.49

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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.