Home / 13,716.54-20,569.01-5,919.75

Finding the Fourth Proportional to 13,716.54, 20,569.01 and 5,919.75

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Solution

The fourth proportional to 13,716.54, 20,569.01 and 5,919.75 is: 8,877.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.54 : 20,569.01 = 5,919.75 : x
  2. Step 2: Convert to fraction form
    13,716.54/20,569.01 = 5,919.75/x
  3. Step 3: Cross multiply
    13,716.54x = 20,569.01 × 5,919.75
  4. Step 4: Simplify right side
    13,716.54x = 121,763,367.35
  5. Step 5: Solve for x
    x = 121,763,367.35/13,716.54
  6. Step 6: Final answer
    x = 8,877.12

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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.