Home / 33,828.09-46,681.61-18,721.39

Finding the Fourth Proportional to 33,828.09, 46,681.61 and 18,721.39

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Solution

The fourth proportional to 33,828.09, 46,681.61 and 18,721.39 is: 25,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,828.09 : 46,681.61 = 18,721.39 : x
  2. Step 2: Convert to fraction form
    33,828.09/46,681.61 = 18,721.39/x
  3. Step 3: Cross multiply
    33,828.09x = 46,681.61 × 18,721.39
  4. Step 4: Simplify right side
    33,828.09x = 873,944,393.23
  5. Step 5: Solve for x
    x = 873,944,393.23/33,828.09
  6. Step 6: Final answer
    x = 25,834.87

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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.