Home / 13,231.24-18,257.96-7,262.90

Finding the Fourth Proportional to 13,231.24, 18,257.96 and 7,262.90

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Solution

The fourth proportional to 13,231.24, 18,257.96 and 7,262.90 is: 10,022.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.24 : 18,257.96 = 7,262.90 : x
  2. Step 2: Convert to fraction form
    13,231.24/18,257.96 = 7,262.90/x
  3. Step 3: Cross multiply
    13,231.24x = 18,257.96 × 7,262.90
  4. Step 4: Simplify right side
    13,231.24x = 132,605,737.68
  5. Step 5: Solve for x
    x = 132,605,737.68/13,231.24
  6. Step 6: Final answer
    x = 10,022.17

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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.