Home / 19,074.38-28,611.09-8,541.95

Finding the Fourth Proportional to 19,074.38, 28,611.09 and 8,541.95

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Solution

The fourth proportional to 19,074.38, 28,611.09 and 8,541.95 is: 12,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.38 : 28,611.09 = 8,541.95 : x
  2. Step 2: Convert to fraction form
    19,074.38/28,611.09 = 8,541.95/x
  3. Step 3: Cross multiply
    19,074.38x = 28,611.09 × 8,541.95
  4. Step 4: Simplify right side
    19,074.38x = 244,394,357.17
  5. Step 5: Solve for x
    x = 244,394,357.17/19,074.38
  6. Step 6: Final answer
    x = 12,812.71

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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.