Home / 19,025.20-28,535.32-8,634.52

Finding the Fourth Proportional to 19,025.20, 28,535.32 and 8,634.52

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Solution

The fourth proportional to 19,025.20, 28,535.32 and 8,634.52 is: 12,950.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,025.20 : 28,535.32 = 8,634.52 : x
  2. Step 2: Convert to fraction form
    19,025.20/28,535.32 = 8,634.52/x
  3. Step 3: Cross multiply
    19,025.20x = 28,535.32 × 8,634.52
  4. Step 4: Simplify right side
    19,025.20x = 246,388,791.25
  5. Step 5: Solve for x
    x = 246,388,791.25/19,025.20
  6. Step 6: Final answer
    x = 12,950.65

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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.