Home / 19,089.15-28,634.62-15,751.20

Finding the Fourth Proportional to 19,089.15, 28,634.62 and 15,751.20

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Solution

The fourth proportional to 19,089.15, 28,634.62 and 15,751.20 is: 23,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,089.15 : 28,634.62 = 15,751.20 : x
  2. Step 2: Convert to fraction form
    19,089.15/28,634.62 = 15,751.20/x
  3. Step 3: Cross multiply
    19,089.15x = 28,634.62 × 15,751.20
  4. Step 4: Simplify right side
    19,089.15x = 451,029,626.54
  5. Step 5: Solve for x
    x = 451,029,626.54/19,089.15
  6. Step 6: Final answer
    x = 23,627.54

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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.