Home / 13,398.11-20,098.23-4,513.47

Finding the Fourth Proportional to 13,398.11, 20,098.23 and 4,513.47

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Solution

The fourth proportional to 13,398.11, 20,098.23 and 4,513.47 is: 6,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,398.11 : 20,098.23 = 4,513.47 : x
  2. Step 2: Convert to fraction form
    13,398.11/20,098.23 = 4,513.47/x
  3. Step 3: Cross multiply
    13,398.11x = 20,098.23 × 4,513.47
  4. Step 4: Simplify right side
    13,398.11x = 90,712,778.92
  5. Step 5: Solve for x
    x = 90,712,778.92/13,398.11
  6. Step 6: Final answer
    x = 6,770.57

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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.