Home / 19,073.61-28,610.37-5,222.61

Finding the Fourth Proportional to 19,073.61, 28,610.37 and 5,222.61

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Solution

The fourth proportional to 19,073.61, 28,610.37 and 5,222.61 is: 7,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,073.61 : 28,610.37 = 5,222.61 : x
  2. Step 2: Convert to fraction form
    19,073.61/28,610.37 = 5,222.61/x
  3. Step 3: Cross multiply
    19,073.61x = 28,610.37 × 5,222.61
  4. Step 4: Simplify right side
    19,073.61x = 149,420,804.47
  5. Step 5: Solve for x
    x = 149,420,804.47/19,073.61
  6. Step 6: Final answer
    x = 7,833.90

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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.