Home / 19,049.41-28,577.69-8,519.85

Finding the Fourth Proportional to 19,049.41, 28,577.69 and 8,519.85

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Solution

The fourth proportional to 19,049.41, 28,577.69 and 8,519.85 is: 12,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,049.41 : 28,577.69 = 8,519.85 : x
  2. Step 2: Convert to fraction form
    19,049.41/28,577.69 = 8,519.85/x
  3. Step 3: Cross multiply
    19,049.41x = 28,577.69 × 8,519.85
  4. Step 4: Simplify right side
    19,049.41x = 243,477,632.15
  5. Step 5: Solve for x
    x = 243,477,632.15/19,049.41
  6. Step 6: Final answer
    x = 12,781.37

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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.