Home / 14,251.94-21,380.03-4,390.39

Finding the Fourth Proportional to 14,251.94, 21,380.03 and 4,390.39

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Solution

The fourth proportional to 14,251.94, 21,380.03 and 4,390.39 is: 6,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.94 : 21,380.03 = 4,390.39 : x
  2. Step 2: Convert to fraction form
    14,251.94/21,380.03 = 4,390.39/x
  3. Step 3: Cross multiply
    14,251.94x = 21,380.03 × 4,390.39
  4. Step 4: Simplify right side
    14,251.94x = 93,866,669.91
  5. Step 5: Solve for x
    x = 93,866,669.91/14,251.94
  6. Step 6: Final answer
    x = 6,586.24

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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.