Home / 18,243.08-25,176.97-10,286.95

Finding the Fourth Proportional to 18,243.08, 25,176.97 and 10,286.95

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Solution

The fourth proportional to 18,243.08, 25,176.97 and 10,286.95 is: 14,196.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.08 : 25,176.97 = 10,286.95 : x
  2. Step 2: Convert to fraction form
    18,243.08/25,176.97 = 10,286.95/x
  3. Step 3: Cross multiply
    18,243.08x = 25,176.97 × 10,286.95
  4. Step 4: Simplify right side
    18,243.08x = 258,994,105.66
  5. Step 5: Solve for x
    x = 258,994,105.66/18,243.08
  6. Step 6: Final answer
    x = 14,196.84

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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.