Home / 20,883.86-31,326.85-6,093.90

Finding the Fourth Proportional to 20,883.86, 31,326.85 and 6,093.90

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Solution

The fourth proportional to 20,883.86, 31,326.85 and 6,093.90 is: 9,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.86 : 31,326.85 = 6,093.90 : x
  2. Step 2: Convert to fraction form
    20,883.86/31,326.85 = 6,093.90/x
  3. Step 3: Cross multiply
    20,883.86x = 31,326.85 × 6,093.90
  4. Step 4: Simplify right side
    20,883.86x = 190,902,698.83
  5. Step 5: Solve for x
    x = 190,902,698.83/20,883.86
  6. Step 6: Final answer
    x = 9,141.16

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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.