Home / 18,692.36-25,792.24-11,137.76

Finding the Fourth Proportional to 18,692.36, 25,792.24 and 11,137.76

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Solution

The fourth proportional to 18,692.36, 25,792.24 and 11,137.76 is: 15,368.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,692.36 : 25,792.24 = 11,137.76 : x
  2. Step 2: Convert to fraction form
    18,692.36/25,792.24 = 11,137.76/x
  3. Step 3: Cross multiply
    18,692.36x = 25,792.24 × 11,137.76
  4. Step 4: Simplify right side
    18,692.36x = 287,267,778.98
  5. Step 5: Solve for x
    x = 287,267,778.98/18,692.36
  6. Step 6: Final answer
    x = 15,368.19

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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.