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Finding the Fourth Proportional to 22,097.91, 30,489.62 and 14,028.51

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Solution

The fourth proportional to 22,097.91, 30,489.62 and 14,028.51 is: 19,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,097.91 : 30,489.62 = 14,028.51 : x
  2. Step 2: Convert to fraction form
    22,097.91/30,489.62 = 14,028.51/x
  3. Step 3: Cross multiply
    22,097.91x = 30,489.62 × 14,028.51
  4. Step 4: Simplify right side
    22,097.91x = 427,723,868.92
  5. Step 5: Solve for x
    x = 427,723,868.92/22,097.91
  6. Step 6: Final answer
    x = 19,355.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.