Home / 13,461.62-20,193.45-4,102.43

Finding the Fourth Proportional to 13,461.62, 20,193.45 and 4,102.43

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Solution

The fourth proportional to 13,461.62, 20,193.45 and 4,102.43 is: 6,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.62 : 20,193.45 = 4,102.43 : x
  2. Step 2: Convert to fraction form
    13,461.62/20,193.45 = 4,102.43/x
  3. Step 3: Cross multiply
    13,461.62x = 20,193.45 × 4,102.43
  4. Step 4: Simplify right side
    13,461.62x = 82,842,114.12
  5. Step 5: Solve for x
    x = 82,842,114.12/13,461.62
  6. Step 6: Final answer
    x = 6,153.95

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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.