Home / 26,268.86-39,317.02-19,995

Finding the Fourth Proportional to 26,268.86, 39,317.02 and 19,995

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Solution

The fourth proportional to 26,268.86, 39,317.02 and 19,995 is: 29,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,268.86 : 39,317.02 = 19,995 : x
  2. Step 2: Convert to fraction form
    26,268.86/39,317.02 = 19,995/x
  3. Step 3: Cross multiply
    26,268.86x = 39,317.02 × 19,995
  4. Step 4: Simplify right side
    26,268.86x = 786,143,814.90
  5. Step 5: Solve for x
    x = 786,143,814.90/26,268.86
  6. Step 6: Final answer
    x = 29,926.83

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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.