Home / 26,716.96-40,083.12-7,998.40

Finding the Fourth Proportional to 26,716.96, 40,083.12 and 7,998.40

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Solution

The fourth proportional to 26,716.96, 40,083.12 and 7,998.40 is: 11,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,716.96 : 40,083.12 = 7,998.40 : x
  2. Step 2: Convert to fraction form
    26,716.96/40,083.12 = 7,998.40/x
  3. Step 3: Cross multiply
    26,716.96x = 40,083.12 × 7,998.40
  4. Step 4: Simplify right side
    26,716.96x = 320,600,827.01
  5. Step 5: Solve for x
    x = 320,600,827.01/26,716.96
  6. Step 6: Final answer
    x = 11,999.90

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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.