Home / 14,270.13-19,692.84-7,982.50

Finding the Fourth Proportional to 14,270.13, 19,692.84 and 7,982.50

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Solution

The fourth proportional to 14,270.13, 19,692.84 and 7,982.50 is: 11,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.13 : 19,692.84 = 7,982.50 : x
  2. Step 2: Convert to fraction form
    14,270.13/19,692.84 = 7,982.50/x
  3. Step 3: Cross multiply
    14,270.13x = 19,692.84 × 7,982.50
  4. Step 4: Simplify right side
    14,270.13x = 157,198,095.30
  5. Step 5: Solve for x
    x = 157,198,095.30/14,270.13
  6. Step 6: Final answer
    x = 11,015.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.