Home / 33,786.33-46,628-19,638.25

Finding the Fourth Proportional to 33,786.33, 46,628 and 19,638.25

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Solution

The fourth proportional to 33,786.33, 46,628 and 19,638.25 is: 27,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,786.33 : 46,628 = 19,638.25 : x
  2. Step 2: Convert to fraction form
    33,786.33/46,628 = 19,638.25/x
  3. Step 3: Cross multiply
    33,786.33x = 46,628 × 19,638.25
  4. Step 4: Simplify right side
    33,786.33x = 915,692,321
  5. Step 5: Solve for x
    x = 915,692,321/33,786.33
  6. Step 6: Final answer
    x = 27,102.45

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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.