Home / 25,727.52-38,590.56-8,198.40

Finding the Fourth Proportional to 25,727.52, 38,590.56 and 8,198.40

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Solution

The fourth proportional to 25,727.52, 38,590.56 and 8,198.40 is: 12,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.52 : 38,590.56 = 8,198.40 : x
  2. Step 2: Convert to fraction form
    25,727.52/38,590.56 = 8,198.40/x
  3. Step 3: Cross multiply
    25,727.52x = 38,590.56 × 8,198.40
  4. Step 4: Simplify right side
    25,727.52x = 316,380,847.10
  5. Step 5: Solve for x
    x = 316,380,847.10/25,727.52
  6. Step 6: Final answer
    x = 12,297.37

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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.