Home / 17,991.44-26,973.83-8,622.54

Finding the Fourth Proportional to 17,991.44, 26,973.83 and 8,622.54

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Solution

The fourth proportional to 17,991.44, 26,973.83 and 8,622.54 is: 12,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,991.44 : 26,973.83 = 8,622.54 : x
  2. Step 2: Convert to fraction form
    17,991.44/26,973.83 = 8,622.54/x
  3. Step 3: Cross multiply
    17,991.44x = 26,973.83 × 8,622.54
  4. Step 4: Simplify right side
    17,991.44x = 232,582,949.68
  5. Step 5: Solve for x
    x = 232,582,949.68/17,991.44
  6. Step 6: Final answer
    x = 12,927.42

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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.