Home / 22,115.13-33,188.12-9,628.73

Finding the Fourth Proportional to 22,115.13, 33,188.12 and 9,628.73

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Solution

The fourth proportional to 22,115.13, 33,188.12 and 9,628.73 is: 14,449.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.13 : 33,188.12 = 9,628.73 : x
  2. Step 2: Convert to fraction form
    22,115.13/33,188.12 = 9,628.73/x
  3. Step 3: Cross multiply
    22,115.13x = 33,188.12 × 9,628.73
  4. Step 4: Simplify right side
    22,115.13x = 319,559,446.69
  5. Step 5: Solve for x
    x = 319,559,446.69/22,115.13
  6. Step 6: Final answer
    x = 14,449.81

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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.