Home / 13,913.85-20,874.42-4,052.91

Finding the Fourth Proportional to 13,913.85, 20,874.42 and 4,052.91

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Solution

The fourth proportional to 13,913.85, 20,874.42 and 4,052.91 is: 6,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.85 : 20,874.42 = 4,052.91 : x
  2. Step 2: Convert to fraction form
    13,913.85/20,874.42 = 4,052.91/x
  3. Step 3: Cross multiply
    13,913.85x = 20,874.42 × 4,052.91
  4. Step 4: Simplify right side
    13,913.85x = 84,602,145.56
  5. Step 5: Solve for x
    x = 84,602,145.56/13,913.85
  6. Step 6: Final answer
    x = 6,080.43

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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.