Home / 19,093.86-28,631.70-7,847.44

Finding the Fourth Proportional to 19,093.86, 28,631.70 and 7,847.44

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Solution

The fourth proportional to 19,093.86, 28,631.70 and 7,847.44 is: 11,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,093.86 : 28,631.70 = 7,847.44 : x
  2. Step 2: Convert to fraction form
    19,093.86/28,631.70 = 7,847.44/x
  3. Step 3: Cross multiply
    19,093.86x = 28,631.70 × 7,847.44
  4. Step 4: Simplify right side
    19,093.86x = 224,685,583.64
  5. Step 5: Solve for x
    x = 224,685,583.64/19,093.86
  6. Step 6: Final answer
    x = 11,767.43

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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.