Home / 13,692.84-20,548.48-6,198.43

Finding the Fourth Proportional to 13,692.84, 20,548.48 and 6,198.43

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Solution

The fourth proportional to 13,692.84, 20,548.48 and 6,198.43 is: 9,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.84 : 20,548.48 = 6,198.43 : x
  2. Step 2: Convert to fraction form
    13,692.84/20,548.48 = 6,198.43/x
  3. Step 3: Cross multiply
    13,692.84x = 20,548.48 × 6,198.43
  4. Step 4: Simplify right side
    13,692.84x = 127,368,314.89
  5. Step 5: Solve for x
    x = 127,368,314.89/13,692.84
  6. Step 6: Final answer
    x = 9,301.82

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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.