Home / 18,450.25-25,465.14-11,734.58

Finding the Fourth Proportional to 18,450.25, 25,465.14 and 11,734.58

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Solution

The fourth proportional to 18,450.25, 25,465.14 and 11,734.58 is: 16,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.25 : 25,465.14 = 11,734.58 : x
  2. Step 2: Convert to fraction form
    18,450.25/25,465.14 = 11,734.58/x
  3. Step 3: Cross multiply
    18,450.25x = 25,465.14 × 11,734.58
  4. Step 4: Simplify right side
    18,450.25x = 298,822,786.20
  5. Step 5: Solve for x
    x = 298,822,786.20/18,450.25
  6. Step 6: Final answer
    x = 16,196.14

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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.