Home / 18,247.08-25,180.56-10,289.10

Finding the Fourth Proportional to 18,247.08, 25,180.56 and 10,289.10

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Solution

The fourth proportional to 18,247.08, 25,180.56 and 10,289.10 is: 14,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.08 : 25,180.56 = 10,289.10 : x
  2. Step 2: Convert to fraction form
    18,247.08/25,180.56 = 10,289.10/x
  3. Step 3: Cross multiply
    18,247.08x = 25,180.56 × 10,289.10
  4. Step 4: Simplify right side
    18,247.08x = 259,085,299.90
  5. Step 5: Solve for x
    x = 259,085,299.90/18,247.08
  6. Step 6: Final answer
    x = 14,198.73

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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.