Home / 25,633.77-38,450.42-8,103.60

Finding the Fourth Proportional to 25,633.77, 38,450.42 and 8,103.60

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Solution

The fourth proportional to 25,633.77, 38,450.42 and 8,103.60 is: 12,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633.77 : 38,450.42 = 8,103.60 : x
  2. Step 2: Convert to fraction form
    25,633.77/38,450.42 = 8,103.60/x
  3. Step 3: Cross multiply
    25,633.77x = 38,450.42 × 8,103.60
  4. Step 4: Simplify right side
    25,633.77x = 311,586,813.38
  5. Step 5: Solve for x
    x = 311,586,813.38/25,633.77
  6. Step 6: Final answer
    x = 12,155.33

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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.