Home / 18,440.58-27,665.43-5,293.98

Finding the Fourth Proportional to 18,440.58, 27,665.43 and 5,293.98

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Solution

The fourth proportional to 18,440.58, 27,665.43 and 5,293.98 is: 7,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.58 : 27,665.43 = 5,293.98 : x
  2. Step 2: Convert to fraction form
    18,440.58/27,665.43 = 5,293.98/x
  3. Step 3: Cross multiply
    18,440.58x = 27,665.43 × 5,293.98
  4. Step 4: Simplify right side
    18,440.58x = 146,460,233.11
  5. Step 5: Solve for x
    x = 146,460,233.11/18,440.58
  6. Step 6: Final answer
    x = 7,942.28

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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.