Home / 13,372.27-20,047.47-5,047.55

Finding the Fourth Proportional to 13,372.27, 20,047.47 and 5,047.55

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Solution

The fourth proportional to 13,372.27, 20,047.47 and 5,047.55 is: 7,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.27 : 20,047.47 = 5,047.55 : x
  2. Step 2: Convert to fraction form
    13,372.27/20,047.47 = 5,047.55/x
  3. Step 3: Cross multiply
    13,372.27x = 20,047.47 × 5,047.55
  4. Step 4: Simplify right side
    13,372.27x = 101,190,563.21
  5. Step 5: Solve for x
    x = 101,190,563.21/13,372.27
  6. Step 6: Final answer
    x = 7,567.20

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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.