Home / 26,662.06-39,994.83-7,687.20

Finding the Fourth Proportional to 26,662.06, 39,994.83 and 7,687.20

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Solution

The fourth proportional to 26,662.06, 39,994.83 and 7,687.20 is: 11,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.06 : 39,994.83 = 7,687.20 : x
  2. Step 2: Convert to fraction form
    26,662.06/39,994.83 = 7,687.20/x
  3. Step 3: Cross multiply
    26,662.06x = 39,994.83 × 7,687.20
  4. Step 4: Simplify right side
    26,662.06x = 307,448,407.16
  5. Step 5: Solve for x
    x = 307,448,407.16/26,662.06
  6. Step 6: Final answer
    x = 11,531.31

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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.