Home / 19,006.38-28,500.66-5,855.22

Finding the Fourth Proportional to 19,006.38, 28,500.66 and 5,855.22

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Solution

The fourth proportional to 19,006.38, 28,500.66 and 5,855.22 is: 8,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.38 : 28,500.66 = 5,855.22 : x
  2. Step 2: Convert to fraction form
    19,006.38/28,500.66 = 5,855.22/x
  3. Step 3: Cross multiply
    19,006.38x = 28,500.66 × 5,855.22
  4. Step 4: Simplify right side
    19,006.38x = 166,877,634.45
  5. Step 5: Solve for x
    x = 166,877,634.45/19,006.38
  6. Step 6: Final answer
    x = 8,780.09

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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.