Home / 13,707.85-20,549.35-4,936.56

Finding the Fourth Proportional to 13,707.85, 20,549.35 and 4,936.56

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Solution

The fourth proportional to 13,707.85, 20,549.35 and 4,936.56 is: 7,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.85 : 20,549.35 = 4,936.56 : x
  2. Step 2: Convert to fraction form
    13,707.85/20,549.35 = 4,936.56/x
  3. Step 3: Cross multiply
    13,707.85x = 20,549.35 × 4,936.56
  4. Step 4: Simplify right side
    13,707.85x = 101,443,099.24
  5. Step 5: Solve for x
    x = 101,443,099.24/13,707.85
  6. Step 6: Final answer
    x = 7,400.37

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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.