Home / 19,072.57-28,611.92-5,921.86

Finding the Fourth Proportional to 19,072.57, 28,611.92 and 5,921.86

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Solution

The fourth proportional to 19,072.57, 28,611.92 and 5,921.86 is: 8,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.57 : 28,611.92 = 5,921.86 : x
  2. Step 2: Convert to fraction form
    19,072.57/28,611.92 = 5,921.86/x
  3. Step 3: Cross multiply
    19,072.57x = 28,611.92 × 5,921.86
  4. Step 4: Simplify right side
    19,072.57x = 169,435,784.57
  5. Step 5: Solve for x
    x = 169,435,784.57/19,072.57
  6. Step 6: Final answer
    x = 8,883.74

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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.