Home / 33,828.69-46,682.64-18,721.98

Finding the Fourth Proportional to 33,828.69, 46,682.64 and 18,721.98

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Solution

The fourth proportional to 33,828.69, 46,682.64 and 18,721.98 is: 25,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.69 : 46,682.64 = 18,721.98 : x
  2. Step 2: Convert to fraction form
    33,828.69/46,682.64 = 18,721.98/x
  3. Step 3: Cross multiply
    33,828.69x = 46,682.64 × 18,721.98
  4. Step 4: Simplify right side
    33,828.69x = 873,991,452.43
  5. Step 5: Solve for x
    x = 873,991,452.43/33,828.69
  6. Step 6: Final answer
    x = 25,835.81

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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.