Home / 12,365.81-18,548.75-3,600.94

Finding the Fourth Proportional to 12,365.81, 18,548.75 and 3,600.94

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Solution

The fourth proportional to 12,365.81, 18,548.75 and 3,600.94 is: 5,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,365.81 : 18,548.75 = 3,600.94 : x
  2. Step 2: Convert to fraction form
    12,365.81/18,548.75 = 3,600.94/x
  3. Step 3: Cross multiply
    12,365.81x = 18,548.75 × 3,600.94
  4. Step 4: Simplify right side
    12,365.81x = 66,792,935.83
  5. Step 5: Solve for x
    x = 66,792,935.83/12,365.81
  6. Step 6: Final answer
    x = 5,401.42

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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.