Home / 18,222.16-25,120.92-13,750.96

Finding the Fourth Proportional to 18,222.16, 25,120.92 and 13,750.96

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Solution

The fourth proportional to 18,222.16, 25,120.92 and 13,750.96 is: 18,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.16 : 25,120.92 = 13,750.96 : x
  2. Step 2: Convert to fraction form
    18,222.16/25,120.92 = 13,750.96/x
  3. Step 3: Cross multiply
    18,222.16x = 25,120.92 × 13,750.96
  4. Step 4: Simplify right side
    18,222.16x = 345,436,766.08
  5. Step 5: Solve for x
    x = 345,436,766.08/18,222.16
  6. Step 6: Final answer
    x = 18,956.96

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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.