Home / 19,540.45-29,310.26-4,749.44

Finding the Fourth Proportional to 19,540.45, 29,310.26 and 4,749.44

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Solution

The fourth proportional to 19,540.45, 29,310.26 and 4,749.44 is: 7,124.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.45 : 29,310.26 = 4,749.44 : x
  2. Step 2: Convert to fraction form
    19,540.45/29,310.26 = 4,749.44/x
  3. Step 3: Cross multiply
    19,540.45x = 29,310.26 × 4,749.44
  4. Step 4: Simplify right side
    19,540.45x = 139,207,406.40
  5. Step 5: Solve for x
    x = 139,207,406.40/19,540.45
  6. Step 6: Final answer
    x = 7,124.06

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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.