Home / 20,626.22-30,755.42-19,010.57

Finding the Fourth Proportional to 20,626.22, 30,755.42 and 19,010.57

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Solution

The fourth proportional to 20,626.22, 30,755.42 and 19,010.57 is: 28,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.22 : 30,755.42 = 19,010.57 : x
  2. Step 2: Convert to fraction form
    20,626.22/30,755.42 = 19,010.57/x
  3. Step 3: Cross multiply
    20,626.22x = 30,755.42 × 19,010.57
  4. Step 4: Simplify right side
    20,626.22x = 584,677,815.96
  5. Step 5: Solve for x
    x = 584,677,815.96/20,626.22
  6. Step 6: Final answer
    x = 28,346.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.