Home / 26,450.09-36,518.23-16,389.21

Finding the Fourth Proportional to 26,450.09, 36,518.23 and 16,389.21

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Solution

The fourth proportional to 26,450.09, 36,518.23 and 16,389.21 is: 22,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.09 : 36,518.23 = 16,389.21 : x
  2. Step 2: Convert to fraction form
    26,450.09/36,518.23 = 16,389.21/x
  3. Step 3: Cross multiply
    26,450.09x = 36,518.23 × 16,389.21
  4. Step 4: Simplify right side
    26,450.09x = 598,504,971.97
  5. Step 5: Solve for x
    x = 598,504,971.97/26,450.09
  6. Step 6: Final answer
    x = 22,627.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.