Home / 13,917.10-20,877.80-4,682.38

Finding the Fourth Proportional to 13,917.10, 20,877.80 and 4,682.38

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Solution

The fourth proportional to 13,917.10, 20,877.80 and 4,682.38 is: 7,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.10 : 20,877.80 = 4,682.38 : x
  2. Step 2: Convert to fraction form
    13,917.10/20,877.80 = 4,682.38/x
  3. Step 3: Cross multiply
    13,917.10x = 20,877.80 × 4,682.38
  4. Step 4: Simplify right side
    13,917.10x = 97,757,793.16
  5. Step 5: Solve for x
    x = 97,757,793.16/13,917.10
  6. Step 6: Final answer
    x = 7,024.29

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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.