Home / 26,850.35-37,054.06-15,520.21

Finding the Fourth Proportional to 26,850.35, 37,054.06 and 15,520.21

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Solution

The fourth proportional to 26,850.35, 37,054.06 and 15,520.21 is: 21,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,850.35 : 37,054.06 = 15,520.21 : x
  2. Step 2: Convert to fraction form
    26,850.35/37,054.06 = 15,520.21/x
  3. Step 3: Cross multiply
    26,850.35x = 37,054.06 × 15,520.21
  4. Step 4: Simplify right side
    26,850.35x = 575,086,661.12
  5. Step 5: Solve for x
    x = 575,086,661.12/26,850.35
  6. Step 6: Final answer
    x = 21,418.22

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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.