Home / 13,917.24-20,877.81-4,057.24

Finding the Fourth Proportional to 13,917.24, 20,877.81 and 4,057.24

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Solution

The fourth proportional to 13,917.24, 20,877.81 and 4,057.24 is: 6,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.24 : 20,877.81 = 4,057.24 : x
  2. Step 2: Convert to fraction form
    13,917.24/20,877.81 = 4,057.24/x
  3. Step 3: Cross multiply
    13,917.24x = 20,877.81 × 4,057.24
  4. Step 4: Simplify right side
    13,917.24x = 84,706,285.84
  5. Step 5: Solve for x
    x = 84,706,285.84/13,917.24
  6. Step 6: Final answer
    x = 6,086.43

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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.