Home / 18,333.20-25,299.14-10,375.59

Finding the Fourth Proportional to 18,333.20, 25,299.14 and 10,375.59

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Solution

The fourth proportional to 18,333.20, 25,299.14 and 10,375.59 is: 14,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.20 : 25,299.14 = 10,375.59 : x
  2. Step 2: Convert to fraction form
    18,333.20/25,299.14 = 10,375.59/x
  3. Step 3: Cross multiply
    18,333.20x = 25,299.14 × 10,375.59
  4. Step 4: Simplify right side
    18,333.20x = 262,493,546.99
  5. Step 5: Solve for x
    x = 262,493,546.99/18,333.20
  6. Step 6: Final answer
    x = 14,317.93

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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.