Home / 19,174.20-28,768.46-8,641.05

Finding the Fourth Proportional to 19,174.20, 28,768.46 and 8,641.05

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Solution

The fourth proportional to 19,174.20, 28,768.46 and 8,641.05 is: 12,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.20 : 28,768.46 = 8,641.05 : x
  2. Step 2: Convert to fraction form
    19,174.20/28,768.46 = 8,641.05/x
  3. Step 3: Cross multiply
    19,174.20x = 28,768.46 × 8,641.05
  4. Step 4: Simplify right side
    19,174.20x = 248,589,658.08
  5. Step 5: Solve for x
    x = 248,589,658.08/19,174.20
  6. Step 6: Final answer
    x = 12,964.80

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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.