Home / 29,249.99-40,365.07-15,821.35

Finding the Fourth Proportional to 29,249.99, 40,365.07 and 15,821.35

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Solution

The fourth proportional to 29,249.99, 40,365.07 and 15,821.35 is: 21,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.99 : 40,365.07 = 15,821.35 : x
  2. Step 2: Convert to fraction form
    29,249.99/40,365.07 = 15,821.35/x
  3. Step 3: Cross multiply
    29,249.99x = 40,365.07 × 15,821.35
  4. Step 4: Simplify right side
    29,249.99x = 638,629,940.05
  5. Step 5: Solve for x
    x = 638,629,940.05/29,249.99
  6. Step 6: Final answer
    x = 21,833.51

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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.