Home / 21,252.44-29,328.33-11,692.49

Finding the Fourth Proportional to 21,252.44, 29,328.33 and 11,692.49

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Solution

The fourth proportional to 21,252.44, 29,328.33 and 11,692.49 is: 16,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,252.44 : 29,328.33 = 11,692.49 : x
  2. Step 2: Convert to fraction form
    21,252.44/29,328.33 = 11,692.49/x
  3. Step 3: Cross multiply
    21,252.44x = 29,328.33 × 11,692.49
  4. Step 4: Simplify right side
    21,252.44x = 342,921,205.24
  5. Step 5: Solve for x
    x = 342,921,205.24/21,252.44
  6. Step 6: Final answer
    x = 16,135.62

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1.5x scale

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.