Home / 19,394.22-29,091.32-12,819.04

Finding the Fourth Proportional to 19,394.22, 29,091.32 and 12,819.04

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Solution

The fourth proportional to 19,394.22, 29,091.32 and 12,819.04 is: 19,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.22 : 29,091.32 = 12,819.04 : x
  2. Step 2: Convert to fraction form
    19,394.22/29,091.32 = 12,819.04/x
  3. Step 3: Cross multiply
    19,394.22x = 29,091.32 × 12,819.04
  4. Step 4: Simplify right side
    19,394.22x = 372,922,794.73
  5. Step 5: Solve for x
    x = 372,922,794.73/19,394.22
  6. Step 6: Final answer
    x = 19,228.55

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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.