Home / 18,964.44-28,461.18-8,583.48

Finding the Fourth Proportional to 18,964.44, 28,461.18 and 8,583.48

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Solution

The fourth proportional to 18,964.44, 28,461.18 and 8,583.48 is: 12,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.44 : 28,461.18 = 8,583.48 : x
  2. Step 2: Convert to fraction form
    18,964.44/28,461.18 = 8,583.48/x
  3. Step 3: Cross multiply
    18,964.44x = 28,461.18 × 8,583.48
  4. Step 4: Simplify right side
    18,964.44x = 244,295,969.31
  5. Step 5: Solve for x
    x = 244,295,969.31/18,964.44
  6. Step 6: Final answer
    x = 12,881.79

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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.