Home / 33,726.39-46,542.81-18,618.78

Finding the Fourth Proportional to 33,726.39, 46,542.81 and 18,618.78

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Solution

The fourth proportional to 33,726.39, 46,542.81 and 18,618.78 is: 25,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,726.39 : 46,542.81 = 18,618.78 : x
  2. Step 2: Convert to fraction form
    33,726.39/46,542.81 = 18,618.78/x
  3. Step 3: Cross multiply
    33,726.39x = 46,542.81 × 18,618.78
  4. Step 4: Simplify right side
    33,726.39x = 866,570,339.97
  5. Step 5: Solve for x
    x = 866,570,339.97/33,726.39
  6. Step 6: Final answer
    x = 25,694.13

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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.