Home / 13,902.05-20,850.85-4,541.99

Finding the Fourth Proportional to 13,902.05, 20,850.85 and 4,541.99

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Solution

The fourth proportional to 13,902.05, 20,850.85 and 4,541.99 is: 6,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.05 : 20,850.85 = 4,541.99 : x
  2. Step 2: Convert to fraction form
    13,902.05/20,850.85 = 4,541.99/x
  3. Step 3: Cross multiply
    13,902.05x = 20,850.85 × 4,541.99
  4. Step 4: Simplify right side
    13,902.05x = 94,704,370.90
  5. Step 5: Solve for x
    x = 94,704,370.90/13,902.05
  6. Step 6: Final answer
    x = 6,812.26

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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.