Home / 15,766.00-21,757.24-8,692.67

Finding the Fourth Proportional to 15,766.00, 21,757.24 and 8,692.67

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Solution

The fourth proportional to 15,766.00, 21,757.24 and 8,692.67 is: 11,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.00 : 21,757.24 = 8,692.67 : x
  2. Step 2: Convert to fraction form
    15,766.00/21,757.24 = 8,692.67/x
  3. Step 3: Cross multiply
    15,766.00x = 21,757.24 × 8,692.67
  4. Step 4: Simplify right side
    15,766.00x = 189,128,507.43
  5. Step 5: Solve for x
    x = 189,128,507.43/15,766.00
  6. Step 6: Final answer
    x = 11,995.98

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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.