Home / 19,091.19-28,647.99-7,997.04

Finding the Fourth Proportional to 19,091.19, 28,647.99 and 7,997.04

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Solution

The fourth proportional to 19,091.19, 28,647.99 and 7,997.04 is: 12,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.19 : 28,647.99 = 7,997.04 : x
  2. Step 2: Convert to fraction form
    19,091.19/28,647.99 = 7,997.04/x
  3. Step 3: Cross multiply
    19,091.19x = 28,647.99 × 7,997.04
  4. Step 4: Simplify right side
    19,091.19x = 229,099,121.95
  5. Step 5: Solve for x
    x = 229,099,121.95/19,091.19
  6. Step 6: Final answer
    x = 12,000.25

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1.5x scale

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.