Home / 25,634.08-38,450.88-8,103.92

Finding the Fourth Proportional to 25,634.08, 38,450.88 and 8,103.92

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Solution

The fourth proportional to 25,634.08, 38,450.88 and 8,103.92 is: 12,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.08 : 38,450.88 = 8,103.92 : x
  2. Step 2: Convert to fraction form
    25,634.08/38,450.88 = 8,103.92/x
  3. Step 3: Cross multiply
    25,634.08x = 38,450.88 × 8,103.92
  4. Step 4: Simplify right side
    25,634.08x = 311,602,855.45
  5. Step 5: Solve for x
    x = 311,602,855.45/25,634.08
  6. Step 6: Final answer
    x = 12,155.80

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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.