Home / 26,249.66-39,373.94-8,719.64

Finding the Fourth Proportional to 26,249.66, 39,373.94 and 8,719.64

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Solution

The fourth proportional to 26,249.66, 39,373.94 and 8,719.64 is: 13,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,249.66 : 39,373.94 = 8,719.64 : x
  2. Step 2: Convert to fraction form
    26,249.66/39,373.94 = 8,719.64/x
  3. Step 3: Cross multiply
    26,249.66x = 39,373.94 × 8,719.64
  4. Step 4: Simplify right side
    26,249.66x = 343,326,582.18
  5. Step 5: Solve for x
    x = 343,326,582.18/26,249.66
  6. Step 6: Final answer
    x = 13,079.28

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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.