Home / 13,423.52-20,138.43-4,063.61

Finding the Fourth Proportional to 13,423.52, 20,138.43 and 4,063.61

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Solution

The fourth proportional to 13,423.52, 20,138.43 and 4,063.61 is: 6,096.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.52 : 20,138.43 = 4,063.61 : x
  2. Step 2: Convert to fraction form
    13,423.52/20,138.43 = 4,063.61/x
  3. Step 3: Cross multiply
    13,423.52x = 20,138.43 × 4,063.61
  4. Step 4: Simplify right side
    13,423.52x = 81,834,725.53
  5. Step 5: Solve for x
    x = 81,834,725.53/13,423.52
  6. Step 6: Final answer
    x = 6,096.37

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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.