Home / 13,548.52-20,320.72-5,232.48

Finding the Fourth Proportional to 13,548.52, 20,320.72 and 5,232.48

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Solution

The fourth proportional to 13,548.52, 20,320.72 and 5,232.48 is: 7,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.52 : 20,320.72 = 5,232.48 : x
  2. Step 2: Convert to fraction form
    13,548.52/20,320.72 = 5,232.48/x
  3. Step 3: Cross multiply
    13,548.52x = 20,320.72 × 5,232.48
  4. Step 4: Simplify right side
    13,548.52x = 106,327,760.99
  5. Step 5: Solve for x
    x = 106,327,760.99/13,548.52
  6. Step 6: Final answer
    x = 7,847.92

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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.