Home / 18,539.11-27,812.31-6,852.43

Finding the Fourth Proportional to 18,539.11, 27,812.31 and 6,852.43

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Solution

The fourth proportional to 18,539.11, 27,812.31 and 6,852.43 is: 10,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.11 : 27,812.31 = 6,852.43 : x
  2. Step 2: Convert to fraction form
    18,539.11/27,812.31 = 6,852.43/x
  3. Step 3: Cross multiply
    18,539.11x = 27,812.31 × 6,852.43
  4. Step 4: Simplify right side
    18,539.11x = 190,581,907.41
  5. Step 5: Solve for x
    x = 190,581,907.41/18,539.11
  6. Step 6: Final answer
    x = 10,279.99

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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.