Home / 13,163.24-19,750.26-5,372.84

Finding the Fourth Proportional to 13,163.24, 19,750.26 and 5,372.84

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Solution

The fourth proportional to 13,163.24, 19,750.26 and 5,372.84 is: 8,061.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.24 : 19,750.26 = 5,372.84 : x
  2. Step 2: Convert to fraction form
    13,163.24/19,750.26 = 5,372.84/x
  3. Step 3: Cross multiply
    13,163.24x = 19,750.26 × 5,372.84
  4. Step 4: Simplify right side
    13,163.24x = 106,114,986.94
  5. Step 5: Solve for x
    x = 106,114,986.94/13,163.24
  6. Step 6: Final answer
    x = 8,061.46

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1.5x scale

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.