Home / 14,119.52-21,180.18-3,731

Finding the Fourth Proportional to 14,119.52, 21,180.18 and 3,731

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Solution

The fourth proportional to 14,119.52, 21,180.18 and 3,731 is: 5,596.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.52 : 21,180.18 = 3,731 : x
  2. Step 2: Convert to fraction form
    14,119.52/21,180.18 = 3,731/x
  3. Step 3: Cross multiply
    14,119.52x = 21,180.18 × 3,731
  4. Step 4: Simplify right side
    14,119.52x = 79,023,251.58
  5. Step 5: Solve for x
    x = 79,023,251.58/14,119.52
  6. Step 6: Final answer
    x = 5,596.74

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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.