Home / 13,274.28-19,923.72-6,705.06

Finding the Fourth Proportional to 13,274.28, 19,923.72 and 6,705.06

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Solution

The fourth proportional to 13,274.28, 19,923.72 and 6,705.06 is: 10,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.28 : 19,923.72 = 6,705.06 : x
  2. Step 2: Convert to fraction form
    13,274.28/19,923.72 = 6,705.06/x
  3. Step 3: Cross multiply
    13,274.28x = 19,923.72 × 6,705.06
  4. Step 4: Simplify right side
    13,274.28x = 133,589,738.02
  5. Step 5: Solve for x
    x = 133,589,738.02/13,274.28
  6. Step 6: Final answer
    x = 10,063.80

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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.