Home / 14,097.31-21,144.28-3,709.87

Finding the Fourth Proportional to 14,097.31, 21,144.28 and 3,709.87

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Solution

The fourth proportional to 14,097.31, 21,144.28 and 3,709.87 is: 5,564.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.31 : 21,144.28 = 3,709.87 : x
  2. Step 2: Convert to fraction form
    14,097.31/21,144.28 = 3,709.87/x
  3. Step 3: Cross multiply
    14,097.31x = 21,144.28 × 3,709.87
  4. Step 4: Simplify right side
    14,097.31x = 78,442,530.04
  5. Step 5: Solve for x
    x = 78,442,530.04/14,097.31
  6. Step 6: Final answer
    x = 5,564.36

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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.