Home / 19,029.01-28,543.20-5,879.83

Finding the Fourth Proportional to 19,029.01, 28,543.20 and 5,879.83

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Solution

The fourth proportional to 19,029.01, 28,543.20 and 5,879.83 is: 8,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.01 : 28,543.20 = 5,879.83 : x
  2. Step 2: Convert to fraction form
    19,029.01/28,543.20 = 5,879.83/x
  3. Step 3: Cross multiply
    19,029.01x = 28,543.20 × 5,879.83
  4. Step 4: Simplify right side
    19,029.01x = 167,829,163.66
  5. Step 5: Solve for x
    x = 167,829,163.66/19,029.01
  6. Step 6: Final answer
    x = 8,819.65

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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.