Home / 19,050.94-28,578.30-7,961.10

Finding the Fourth Proportional to 19,050.94, 28,578.30 and 7,961.10

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Solution

The fourth proportional to 19,050.94, 28,578.30 and 7,961.10 is: 11,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,050.94 : 28,578.30 = 7,961.10 : x
  2. Step 2: Convert to fraction form
    19,050.94/28,578.30 = 7,961.10/x
  3. Step 3: Cross multiply
    19,050.94x = 28,578.30 × 7,961.10
  4. Step 4: Simplify right side
    19,050.94x = 227,514,704.13
  5. Step 5: Solve for x
    x = 227,514,704.13/19,050.94
  6. Step 6: Final answer
    x = 11,942.44

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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.