Home / 18,288.24-25,238.52-11,122.98

Finding the Fourth Proportional to 18,288.24, 25,238.52 and 11,122.98

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Solution

The fourth proportional to 18,288.24, 25,238.52 and 11,122.98 is: 15,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.24 : 25,238.52 = 11,122.98 : x
  2. Step 2: Convert to fraction form
    18,288.24/25,238.52 = 11,122.98/x
  3. Step 3: Cross multiply
    18,288.24x = 25,238.52 × 11,122.98
  4. Step 4: Simplify right side
    18,288.24x = 280,727,553.19
  5. Step 5: Solve for x
    x = 280,727,553.19/18,288.24
  6. Step 6: Final answer
    x = 15,350.17

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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.