Home / 19,396.10-29,072.55-8,300.90

Finding the Fourth Proportional to 19,396.10, 29,072.55 and 8,300.90

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Solution

The fourth proportional to 19,396.10, 29,072.55 and 8,300.90 is: 12,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.10 : 29,072.55 = 8,300.90 : x
  2. Step 2: Convert to fraction form
    19,396.10/29,072.55 = 8,300.90/x
  3. Step 3: Cross multiply
    19,396.10x = 29,072.55 × 8,300.90
  4. Step 4: Simplify right side
    19,396.10x = 241,328,330.30
  5. Step 5: Solve for x
    x = 241,328,330.30/19,396.10
  6. Step 6: Final answer
    x = 12,442.11

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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.