Home / 19,100.75-28,640.57-10,226.48

Finding the Fourth Proportional to 19,100.75, 28,640.57 and 10,226.48

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Solution

The fourth proportional to 19,100.75, 28,640.57 and 10,226.48 is: 15,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.75 : 28,640.57 = 10,226.48 : x
  2. Step 2: Convert to fraction form
    19,100.75/28,640.57 = 10,226.48/x
  3. Step 3: Cross multiply
    19,100.75x = 28,640.57 × 10,226.48
  4. Step 4: Simplify right side
    19,100.75x = 292,892,021.96
  5. Step 5: Solve for x
    x = 292,892,021.96/19,100.75
  6. Step 6: Final answer
    x = 15,334.06

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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.