Home / 16,847.80-25,286.10-7,502.20

Finding the Fourth Proportional to 16,847.80, 25,286.10 and 7,502.20

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Solution

The fourth proportional to 16,847.80, 25,286.10 and 7,502.20 is: 11,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847.80 : 25,286.10 = 7,502.20 : x
  2. Step 2: Convert to fraction form
    16,847.80/25,286.10 = 7,502.20/x
  3. Step 3: Cross multiply
    16,847.80x = 25,286.10 × 7,502.20
  4. Step 4: Simplify right side
    16,847.80x = 189,701,379.42
  5. Step 5: Solve for x
    x = 189,701,379.42/16,847.80
  6. Step 6: Final answer
    x = 11,259.71

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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.