Home / 19,520.21-29,284.98-6,372.61

Finding the Fourth Proportional to 19,520.21, 29,284.98 and 6,372.61

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Solution

The fourth proportional to 19,520.21, 29,284.98 and 6,372.61 is: 9,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.21 : 29,284.98 = 6,372.61 : x
  2. Step 2: Convert to fraction form
    19,520.21/29,284.98 = 6,372.61/x
  3. Step 3: Cross multiply
    19,520.21x = 29,284.98 × 6,372.61
  4. Step 4: Simplify right side
    19,520.21x = 186,621,756.40
  5. Step 5: Solve for x
    x = 186,621,756.40/19,520.21
  6. Step 6: Final answer
    x = 9,560.44

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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.