Home / 13,725.06-20,571.69-6,313.96

Finding the Fourth Proportional to 13,725.06, 20,571.69 and 6,313.96

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Solution

The fourth proportional to 13,725.06, 20,571.69 and 6,313.96 is: 9,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.06 : 20,571.69 = 6,313.96 : x
  2. Step 2: Convert to fraction form
    13,725.06/20,571.69 = 6,313.96/x
  3. Step 3: Cross multiply
    13,725.06x = 20,571.69 × 6,313.96
  4. Step 4: Simplify right side
    13,725.06x = 129,888,796.22
  5. Step 5: Solve for x
    x = 129,888,796.22/13,725.06
  6. Step 6: Final answer
    x = 9,463.63

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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.