Home / 18,311.99-27,451.58-6,622.47

Finding the Fourth Proportional to 18,311.99, 27,451.58 and 6,622.47

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Solution

The fourth proportional to 18,311.99, 27,451.58 and 6,622.47 is: 9,927.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.99 : 27,451.58 = 6,622.47 : x
  2. Step 2: Convert to fraction form
    18,311.99/27,451.58 = 6,622.47/x
  3. Step 3: Cross multiply
    18,311.99x = 27,451.58 × 6,622.47
  4. Step 4: Simplify right side
    18,311.99x = 181,797,231.89
  5. Step 5: Solve for x
    x = 181,797,231.89/18,311.99
  6. Step 6: Final answer
    x = 9,927.77

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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.