Home / 13,932.64-20,893.70-5,609.82

Finding the Fourth Proportional to 13,932.64, 20,893.70 and 5,609.82

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Solution

The fourth proportional to 13,932.64, 20,893.70 and 5,609.82 is: 8,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.64 : 20,893.70 = 5,609.82 : x
  2. Step 2: Convert to fraction form
    13,932.64/20,893.70 = 5,609.82/x
  3. Step 3: Cross multiply
    13,932.64x = 20,893.70 × 5,609.82
  4. Step 4: Simplify right side
    13,932.64x = 117,209,896.13
  5. Step 5: Solve for x
    x = 117,209,896.13/13,932.64
  6. Step 6: Final answer
    x = 8,412.61

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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.