Home / 20,883.14-31,329.30-6,093.20

Finding the Fourth Proportional to 20,883.14, 31,329.30 and 6,093.20

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Solution

The fourth proportional to 20,883.14, 31,329.30 and 6,093.20 is: 9,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,883.14 : 31,329.30 = 6,093.20 : x
  2. Step 2: Convert to fraction form
    20,883.14/31,329.30 = 6,093.20/x
  3. Step 3: Cross multiply
    20,883.14x = 31,329.30 × 6,093.20
  4. Step 4: Simplify right side
    20,883.14x = 190,895,690.76
  5. Step 5: Solve for x
    x = 190,895,690.76/20,883.14
  6. Step 6: Final answer
    x = 9,141.14

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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.