Home / 13,067.95-18,035.10-7,692.49

Finding the Fourth Proportional to 13,067.95, 18,035.10 and 7,692.49

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Solution

The fourth proportional to 13,067.95, 18,035.10 and 7,692.49 is: 10,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.95 : 18,035.10 = 7,692.49 : x
  2. Step 2: Convert to fraction form
    13,067.95/18,035.10 = 7,692.49/x
  3. Step 3: Cross multiply
    13,067.95x = 18,035.10 × 7,692.49
  4. Step 4: Simplify right side
    13,067.95x = 138,734,826.40
  5. Step 5: Solve for x
    x = 138,734,826.40/13,067.95
  6. Step 6: Final answer
    x = 10,616.42

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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.