Home / 19,941.66-29,905.20-8,248.50

Finding the Fourth Proportional to 19,941.66, 29,905.20 and 8,248.50

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Solution

The fourth proportional to 19,941.66, 29,905.20 and 8,248.50 is: 12,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.66 : 29,905.20 = 8,248.50 : x
  2. Step 2: Convert to fraction form
    19,941.66/29,905.20 = 8,248.50/x
  3. Step 3: Cross multiply
    19,941.66x = 29,905.20 × 8,248.50
  4. Step 4: Simplify right side
    19,941.66x = 246,673,042.20
  5. Step 5: Solve for x
    x = 246,673,042.20/19,941.66
  6. Step 6: Final answer
    x = 12,369.73

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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.