Home / 21,125.73-31,692.70-6,333.41

Finding the Fourth Proportional to 21,125.73, 31,692.70 and 6,333.41

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Solution

The fourth proportional to 21,125.73, 31,692.70 and 6,333.41 is: 9,501.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125.73 : 31,692.70 = 6,333.41 : x
  2. Step 2: Convert to fraction form
    21,125.73/31,692.70 = 6,333.41/x
  3. Step 3: Cross multiply
    21,125.73x = 31,692.70 × 6,333.41
  4. Step 4: Simplify right side
    21,125.73x = 200,722,771.98
  5. Step 5: Solve for x
    x = 200,722,771.98/21,125.73
  6. Step 6: Final answer
    x = 9,501.34

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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.