Home / 14,270.70-21,405.42-3,740.52

Finding the Fourth Proportional to 14,270.70, 21,405.42 and 3,740.52

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Solution

The fourth proportional to 14,270.70, 21,405.42 and 3,740.52 is: 5,610.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.70 : 21,405.42 = 3,740.52 : x
  2. Step 2: Convert to fraction form
    14,270.70/21,405.42 = 3,740.52/x
  3. Step 3: Cross multiply
    14,270.70x = 21,405.42 × 3,740.52
  4. Step 4: Simplify right side
    14,270.70x = 80,067,401.62
  5. Step 5: Solve for x
    x = 80,067,401.62/14,270.70
  6. Step 6: Final answer
    x = 5,610.61

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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.