Home / 18,250.16-27,362.09-11,215.64

Finding the Fourth Proportional to 18,250.16, 27,362.09 and 11,215.64

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Solution

The fourth proportional to 18,250.16, 27,362.09 and 11,215.64 is: 16,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.16 : 27,362.09 = 11,215.64 : x
  2. Step 2: Convert to fraction form
    18,250.16/27,362.09 = 11,215.64/x
  3. Step 3: Cross multiply
    18,250.16x = 27,362.09 × 11,215.64
  4. Step 4: Simplify right side
    18,250.16x = 306,883,262.08
  5. Step 5: Solve for x
    x = 306,883,262.08/18,250.16
  6. Step 6: Final answer
    x = 16,815.38

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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.