Home / 13,131.44-19,692.91-4,364

Finding the Fourth Proportional to 13,131.44, 19,692.91 and 4,364

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Solution

The fourth proportional to 13,131.44, 19,692.91 and 4,364 is: 6,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.44 : 19,692.91 = 4,364 : x
  2. Step 2: Convert to fraction form
    13,131.44/19,692.91 = 4,364/x
  3. Step 3: Cross multiply
    13,131.44x = 19,692.91 × 4,364
  4. Step 4: Simplify right side
    13,131.44x = 85,939,859.24
  5. Step 5: Solve for x
    x = 85,939,859.24/13,131.44
  6. Step 6: Final answer
    x = 6,544.59

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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.