Home / 29,265.25-43,911.20-12,402.87

Finding the Fourth Proportional to 29,265.25, 43,911.20 and 12,402.87

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Solution

The fourth proportional to 29,265.25, 43,911.20 and 12,402.87 is: 18,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.25 : 43,911.20 = 12,402.87 : x
  2. Step 2: Convert to fraction form
    29,265.25/43,911.20 = 12,402.87/x
  3. Step 3: Cross multiply
    29,265.25x = 43,911.20 × 12,402.87
  4. Step 4: Simplify right side
    29,265.25x = 544,624,936.15
  5. Step 5: Solve for x
    x = 544,624,936.15/29,265.25
  6. Step 6: Final answer
    x = 18,609.95

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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.