Home / 19,193.82-28,766.25-8,652.54

Finding the Fourth Proportional to 19,193.82, 28,766.25 and 8,652.54

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Solution

The fourth proportional to 19,193.82, 28,766.25 and 8,652.54 is: 12,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.82 : 28,766.25 = 8,652.54 : x
  2. Step 2: Convert to fraction form
    19,193.82/28,766.25 = 8,652.54/x
  3. Step 3: Cross multiply
    19,193.82x = 28,766.25 × 8,652.54
  4. Step 4: Simplify right side
    19,193.82x = 248,901,128.78
  5. Step 5: Solve for x
    x = 248,901,128.78/19,193.82
  6. Step 6: Final answer
    x = 12,967.77

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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.