Home / 18,825.10-28,233.60-8,295.10

Finding the Fourth Proportional to 18,825.10, 28,233.60 and 8,295.10

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Solution

The fourth proportional to 18,825.10, 28,233.60 and 8,295.10 is: 12,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.10 : 28,233.60 = 8,295.10 : x
  2. Step 2: Convert to fraction form
    18,825.10/28,233.60 = 8,295.10/x
  3. Step 3: Cross multiply
    18,825.10x = 28,233.60 × 8,295.10
  4. Step 4: Simplify right side
    18,825.10x = 234,200,535.36
  5. Step 5: Solve for x
    x = 234,200,535.36/18,825.10
  6. Step 6: Final answer
    x = 12,440.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.