Home / 17,320.80-25,981.20-6,227.85

Finding the Fourth Proportional to 17,320.80, 25,981.20 and 6,227.85

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Solution

The fourth proportional to 17,320.80, 25,981.20 and 6,227.85 is: 9,341.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.80 : 25,981.20 = 6,227.85 : x
  2. Step 2: Convert to fraction form
    17,320.80/25,981.20 = 6,227.85/x
  3. Step 3: Cross multiply
    17,320.80x = 25,981.20 × 6,227.85
  4. Step 4: Simplify right side
    17,320.80x = 161,807,016.42
  5. Step 5: Solve for x
    x = 161,807,016.42/17,320.80
  6. Step 6: Final answer
    x = 9,341.78

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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.