Home / 18,605.18-27,843.41-11,486.50

Finding the Fourth Proportional to 18,605.18, 27,843.41 and 11,486.50

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Solution

The fourth proportional to 18,605.18, 27,843.41 and 11,486.50 is: 17,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.18 : 27,843.41 = 11,486.50 : x
  2. Step 2: Convert to fraction form
    18,605.18/27,843.41 = 11,486.50/x
  3. Step 3: Cross multiply
    18,605.18x = 27,843.41 × 11,486.50
  4. Step 4: Simplify right side
    18,605.18x = 319,823,288.07
  5. Step 5: Solve for x
    x = 319,823,288.07/18,605.18
  6. Step 6: Final answer
    x = 17,190.01

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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.