Home / 13,623.52-20,443.17-5,725.41

Finding the Fourth Proportional to 13,623.52, 20,443.17 and 5,725.41

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Solution

The fourth proportional to 13,623.52, 20,443.17 and 5,725.41 is: 8,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.52 : 20,443.17 = 5,725.41 : x
  2. Step 2: Convert to fraction form
    13,623.52/20,443.17 = 5,725.41/x
  3. Step 3: Cross multiply
    13,623.52x = 20,443.17 × 5,725.41
  4. Step 4: Simplify right side
    13,623.52x = 117,045,529.95
  5. Step 5: Solve for x
    x = 117,045,529.95/13,623.52
  6. Step 6: Final answer
    x = 8,591.43

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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.