Home / 18,599.40-27,903.96-6,121.35

Finding the Fourth Proportional to 18,599.40, 27,903.96 and 6,121.35

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Solution

The fourth proportional to 18,599.40, 27,903.96 and 6,121.35 is: 9,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.40 : 27,903.96 = 6,121.35 : x
  2. Step 2: Convert to fraction form
    18,599.40/27,903.96 = 6,121.35/x
  3. Step 3: Cross multiply
    18,599.40x = 27,903.96 × 6,121.35
  4. Step 4: Simplify right side
    18,599.40x = 170,809,905.55
  5. Step 5: Solve for x
    x = 170,809,905.55/18,599.40
  6. Step 6: Final answer
    x = 9,183.62

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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.