Home / 14,119.31-21,179.37-3,731.06

Finding the Fourth Proportional to 14,119.31, 21,179.37 and 3,731.06

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Solution

The fourth proportional to 14,119.31, 21,179.37 and 3,731.06 is: 5,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.31 : 21,179.37 = 3,731.06 : x
  2. Step 2: Convert to fraction form
    14,119.31/21,179.37 = 3,731.06/x
  3. Step 3: Cross multiply
    14,119.31x = 21,179.37 × 3,731.06
  4. Step 4: Simplify right side
    14,119.31x = 79,021,567.17
  5. Step 5: Solve for x
    x = 79,021,567.17/14,119.31
  6. Step 6: Final answer
    x = 5,596.70

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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.