Home / 19,830.22-29,745.43-6,682.70

Finding the Fourth Proportional to 19,830.22, 29,745.43 and 6,682.70

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Solution

The fourth proportional to 19,830.22, 29,745.43 and 6,682.70 is: 10,024.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.22 : 29,745.43 = 6,682.70 : x
  2. Step 2: Convert to fraction form
    19,830.22/29,745.43 = 6,682.70/x
  3. Step 3: Cross multiply
    19,830.22x = 29,745.43 × 6,682.70
  4. Step 4: Simplify right side
    19,830.22x = 198,779,842.72
  5. Step 5: Solve for x
    x = 198,779,842.72/19,830.22
  6. Step 6: Final answer
    x = 10,024.09

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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.