Home / 12,365.82-18,548.76-3,600.95

Finding the Fourth Proportional to 12,365.82, 18,548.76 and 3,600.95

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Solution

The fourth proportional to 12,365.82, 18,548.76 and 3,600.95 is: 5,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.82 : 18,548.76 = 3,600.95 : x
  2. Step 2: Convert to fraction form
    12,365.82/18,548.76 = 3,600.95/x
  3. Step 3: Cross multiply
    12,365.82x = 18,548.76 × 3,600.95
  4. Step 4: Simplify right side
    12,365.82x = 66,793,064.58
  5. Step 5: Solve for x
    x = 66,793,064.58/12,365.82
  6. Step 6: Final answer
    x = 5,401.43

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1.5x scale

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.