Home / 18,198.03-25,099.26-15,956.16

Finding the Fourth Proportional to 18,198.03, 25,099.26 and 15,956.16

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Solution

The fourth proportional to 18,198.03, 25,099.26 and 15,956.16 is: 22,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.03 : 25,099.26 = 15,956.16 : x
  2. Step 2: Convert to fraction form
    18,198.03/25,099.26 = 15,956.16/x
  3. Step 3: Cross multiply
    18,198.03x = 25,099.26 × 15,956.16
  4. Step 4: Simplify right side
    18,198.03x = 400,487,682.95
  5. Step 5: Solve for x
    x = 400,487,682.95/18,198.03
  6. Step 6: Final answer
    x = 22,007.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.