Home / 13,230.24-18,257.94-7,262.46

Finding the Fourth Proportional to 13,230.24, 18,257.94 and 7,262.46

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Solution

The fourth proportional to 13,230.24, 18,257.94 and 7,262.46 is: 10,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.24 : 18,257.94 = 7,262.46 : x
  2. Step 2: Convert to fraction form
    13,230.24/18,257.94 = 7,262.46/x
  3. Step 3: Cross multiply
    13,230.24x = 18,257.94 × 7,262.46
  4. Step 4: Simplify right side
    13,230.24x = 132,597,558.93
  5. Step 5: Solve for x
    x = 132,597,558.93/13,230.24
  6. Step 6: Final answer
    x = 10,022.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.