Home / 13,114.80-19,669.32-4,350.36

Finding the Fourth Proportional to 13,114.80, 19,669.32 and 4,350.36

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Solution

The fourth proportional to 13,114.80, 19,669.32 and 4,350.36 is: 6,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.80 : 19,669.32 = 4,350.36 : x
  2. Step 2: Convert to fraction form
    13,114.80/19,669.32 = 4,350.36/x
  3. Step 3: Cross multiply
    13,114.80x = 19,669.32 × 4,350.36
  4. Step 4: Simplify right side
    13,114.80x = 85,568,622.96
  5. Step 5: Solve for x
    x = 85,568,622.96/13,114.80
  6. Step 6: Final answer
    x = 6,524.58

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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.