Home / 18,330.38-25,295.94-10,372.44

Finding the Fourth Proportional to 18,330.38, 25,295.94 and 10,372.44

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Solution

The fourth proportional to 18,330.38, 25,295.94 and 10,372.44 is: 14,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.38 : 25,295.94 = 10,372.44 : x
  2. Step 2: Convert to fraction form
    18,330.38/25,295.94 = 10,372.44/x
  3. Step 3: Cross multiply
    18,330.38x = 25,295.94 × 10,372.44
  4. Step 4: Simplify right side
    18,330.38x = 262,380,619.89
  5. Step 5: Solve for x
    x = 262,380,619.89/18,330.38
  6. Step 6: Final answer
    x = 14,313.98

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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.