Home / 13,795.34-20,690.66-3,932.37

Finding the Fourth Proportional to 13,795.34, 20,690.66 and 3,932.37

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Solution

The fourth proportional to 13,795.34, 20,690.66 and 3,932.37 is: 5,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.34 : 20,690.66 = 3,932.37 : x
  2. Step 2: Convert to fraction form
    13,795.34/20,690.66 = 3,932.37/x
  3. Step 3: Cross multiply
    13,795.34x = 20,690.66 × 3,932.37
  4. Step 4: Simplify right side
    13,795.34x = 81,363,340.50
  5. Step 5: Solve for x
    x = 81,363,340.50/13,795.34
  6. Step 6: Final answer
    x = 5,897.89

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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.