Home / 33,015.66-45,556.79-18,865.77

Finding the Fourth Proportional to 33,015.66, 45,556.79 and 18,865.77

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Solution

The fourth proportional to 33,015.66, 45,556.79 and 18,865.77 is: 26,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.66 : 45,556.79 = 18,865.77 : x
  2. Step 2: Convert to fraction form
    33,015.66/45,556.79 = 18,865.77/x
  3. Step 3: Cross multiply
    33,015.66x = 45,556.79 × 18,865.77
  4. Step 4: Simplify right side
    33,015.66x = 859,463,922.08
  5. Step 5: Solve for x
    x = 859,463,922.08/33,015.66
  6. Step 6: Final answer
    x = 26,032.01

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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.