Home / 22,271.20-33,396.90-6,690.04

Finding the Fourth Proportional to 22,271.20, 33,396.90 and 6,690.04

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Solution

The fourth proportional to 22,271.20, 33,396.90 and 6,690.04 is: 10,032.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.20 : 33,396.90 = 6,690.04 : x
  2. Step 2: Convert to fraction form
    22,271.20/33,396.90 = 6,690.04/x
  3. Step 3: Cross multiply
    22,271.20x = 33,396.90 × 6,690.04
  4. Step 4: Simplify right side
    22,271.20x = 223,426,596.88
  5. Step 5: Solve for x
    x = 223,426,596.88/22,271.20
  6. Step 6: Final answer
    x = 10,032.09

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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.