Home / 20,651.25-30,972.24-5,859.84

Finding the Fourth Proportional to 20,651.25, 30,972.24 and 5,859.84

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Solution

The fourth proportional to 20,651.25, 30,972.24 and 5,859.84 is: 8,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651.25 : 30,972.24 = 5,859.84 : x
  2. Step 2: Convert to fraction form
    20,651.25/30,972.24 = 5,859.84/x
  3. Step 3: Cross multiply
    20,651.25x = 30,972.24 × 5,859.84
  4. Step 4: Simplify right side
    20,651.25x = 181,492,370.84
  5. Step 5: Solve for x
    x = 181,492,370.84/20,651.25
  6. Step 6: Final answer
    x = 8,788.44

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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.