Home / 33,162.05-45,767.55-18,628.64

Finding the Fourth Proportional to 33,162.05, 45,767.55 and 18,628.64

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Solution

The fourth proportional to 33,162.05, 45,767.55 and 18,628.64 is: 25,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,162.05 : 45,767.55 = 18,628.64 : x
  2. Step 2: Convert to fraction form
    33,162.05/45,767.55 = 18,628.64/x
  3. Step 3: Cross multiply
    33,162.05x = 45,767.55 × 18,628.64
  4. Step 4: Simplify right side
    33,162.05x = 852,587,212.63
  5. Step 5: Solve for x
    x = 852,587,212.63/33,162.05
  6. Step 6: Final answer
    x = 25,709.73

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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.