Home / 25,550.31-35,249.66-15,986.29

Finding the Fourth Proportional to 25,550.31, 35,249.66 and 15,986.29

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Solution

The fourth proportional to 25,550.31, 35,249.66 and 15,986.29 is: 22,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550.31 : 35,249.66 = 15,986.29 : x
  2. Step 2: Convert to fraction form
    25,550.31/35,249.66 = 15,986.29/x
  3. Step 3: Cross multiply
    25,550.31x = 35,249.66 × 15,986.29
  4. Step 4: Simplify right side
    25,550.31x = 563,511,101.05
  5. Step 5: Solve for x
    x = 563,511,101.05/25,550.31
  6. Step 6: Final answer
    x = 22,054.96

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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.