Home / 20,832.51-31,252.01-6,789.27

Finding the Fourth Proportional to 20,832.51, 31,252.01 and 6,789.27

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Solution

The fourth proportional to 20,832.51, 31,252.01 and 6,789.27 is: 10,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.51 : 31,252.01 = 6,789.27 : x
  2. Step 2: Convert to fraction form
    20,832.51/31,252.01 = 6,789.27/x
  3. Step 3: Cross multiply
    20,832.51x = 31,252.01 × 6,789.27
  4. Step 4: Simplify right side
    20,832.51x = 212,178,299.99
  5. Step 5: Solve for x
    x = 212,178,299.99/20,832.51
  6. Step 6: Final answer
    x = 10,184.96

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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.