Home / 13,150.27-19,725.20-3,916.27

Finding the Fourth Proportional to 13,150.27, 19,725.20 and 3,916.27

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Solution

The fourth proportional to 13,150.27, 19,725.20 and 3,916.27 is: 5,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.27 : 19,725.20 = 3,916.27 : x
  2. Step 2: Convert to fraction form
    13,150.27/19,725.20 = 3,916.27/x
  3. Step 3: Cross multiply
    13,150.27x = 19,725.20 × 3,916.27
  4. Step 4: Simplify right side
    13,150.27x = 77,249,090.80
  5. Step 5: Solve for x
    x = 77,249,090.80/13,150.27
  6. Step 6: Final answer
    x = 5,874.34

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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.