Home / 19,961.76-29,946.06-8,268.60

Finding the Fourth Proportional to 19,961.76, 29,946.06 and 8,268.60

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Solution

The fourth proportional to 19,961.76, 29,946.06 and 8,268.60 is: 12,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.76 : 29,946.06 = 8,268.60 : x
  2. Step 2: Convert to fraction form
    19,961.76/29,946.06 = 8,268.60/x
  3. Step 3: Cross multiply
    19,961.76x = 29,946.06 × 8,268.60
  4. Step 4: Simplify right side
    19,961.76x = 247,611,991.72
  5. Step 5: Solve for x
    x = 247,611,991.72/19,961.76
  6. Step 6: Final answer
    x = 12,404.32

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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.