Home / 12,367.81-18,551.75-3,602.94

Finding the Fourth Proportional to 12,367.81, 18,551.75 and 3,602.94

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Solution

The fourth proportional to 12,367.81, 18,551.75 and 3,602.94 is: 5,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.81 : 18,551.75 = 3,602.94 : x
  2. Step 2: Convert to fraction form
    12,367.81/18,551.75 = 3,602.94/x
  3. Step 3: Cross multiply
    12,367.81x = 18,551.75 × 3,602.94
  4. Step 4: Simplify right side
    12,367.81x = 66,840,842.15
  5. Step 5: Solve for x
    x = 66,840,842.15/12,367.81
  6. Step 6: Final answer
    x = 5,404.42

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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.