Home / 13,956.94-20,943.57-5,198.06

Finding the Fourth Proportional to 13,956.94, 20,943.57 and 5,198.06

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Solution

The fourth proportional to 13,956.94, 20,943.57 and 5,198.06 is: 7,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.94 : 20,943.57 = 5,198.06 : x
  2. Step 2: Convert to fraction form
    13,956.94/20,943.57 = 5,198.06/x
  3. Step 3: Cross multiply
    13,956.94x = 20,943.57 × 5,198.06
  4. Step 4: Simplify right side
    13,956.94x = 108,865,933.47
  5. Step 5: Solve for x
    x = 108,865,933.47/13,956.94
  6. Step 6: Final answer
    x = 7,800.13

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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.