Home / 18,692.36-28,030.34-6,997.38

Finding the Fourth Proportional to 18,692.36, 28,030.34 and 6,997.38

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Solution

The fourth proportional to 18,692.36, 28,030.34 and 6,997.38 is: 10,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.36 : 28,030.34 = 6,997.38 : x
  2. Step 2: Convert to fraction form
    18,692.36/28,030.34 = 6,997.38/x
  3. Step 3: Cross multiply
    18,692.36x = 28,030.34 × 6,997.38
  4. Step 4: Simplify right side
    18,692.36x = 196,138,966.80
  5. Step 5: Solve for x
    x = 196,138,966.80/18,692.36
  6. Step 6: Final answer
    x = 10,493.00

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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.