Home / 18,450.16-25,465.38-11,730.54

Finding the Fourth Proportional to 18,450.16, 25,465.38 and 11,730.54

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Solution

The fourth proportional to 18,450.16, 25,465.38 and 11,730.54 is: 16,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.16 : 25,465.38 = 11,730.54 : x
  2. Step 2: Convert to fraction form
    18,450.16/25,465.38 = 11,730.54/x
  3. Step 3: Cross multiply
    18,450.16x = 25,465.38 × 11,730.54
  4. Step 4: Simplify right side
    18,450.16x = 298,722,658.71
  5. Step 5: Solve for x
    x = 298,722,658.71/18,450.16
  6. Step 6: Final answer
    x = 16,190.79

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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.