Home / 19,093.03-28,650.71-7,998.78

Finding the Fourth Proportional to 19,093.03, 28,650.71 and 7,998.78

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Solution

The fourth proportional to 19,093.03, 28,650.71 and 7,998.78 is: 12,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.03 : 28,650.71 = 7,998.78 : x
  2. Step 2: Convert to fraction form
    19,093.03/28,650.71 = 7,998.78/x
  3. Step 3: Cross multiply
    19,093.03x = 28,650.71 × 7,998.78
  4. Step 4: Simplify right side
    19,093.03x = 229,170,726.13
  5. Step 5: Solve for x
    x = 229,170,726.13/19,093.03
  6. Step 6: Final answer
    x = 12,002.85

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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.