Home / 18,403.38-25,396.39-10,850.02

Finding the Fourth Proportional to 18,403.38, 25,396.39 and 10,850.02

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Solution

The fourth proportional to 18,403.38, 25,396.39 and 10,850.02 is: 14,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.38 : 25,396.39 = 10,850.02 : x
  2. Step 2: Convert to fraction form
    18,403.38/25,396.39 = 10,850.02/x
  3. Step 3: Cross multiply
    18,403.38x = 25,396.39 × 10,850.02
  4. Step 4: Simplify right side
    18,403.38x = 275,551,339.43
  5. Step 5: Solve for x
    x = 275,551,339.43/18,403.38
  6. Step 6: Final answer
    x = 14,972.87

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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.