Home / 13,956.24-20,937.24-4,722

Finding the Fourth Proportional to 13,956.24, 20,937.24 and 4,722

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Solution

The fourth proportional to 13,956.24, 20,937.24 and 4,722 is: 7,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.24 : 20,937.24 = 4,722 : x
  2. Step 2: Convert to fraction form
    13,956.24/20,937.24 = 4,722/x
  3. Step 3: Cross multiply
    13,956.24x = 20,937.24 × 4,722
  4. Step 4: Simplify right side
    13,956.24x = 98,865,647.28
  5. Step 5: Solve for x
    x = 98,865,647.28/13,956.24
  6. Step 6: Final answer
    x = 7,083.97

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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.