Home / 33,083.76-45,657.63-18,936.30

Finding the Fourth Proportional to 33,083.76, 45,657.63 and 18,936.30

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Solution

The fourth proportional to 33,083.76, 45,657.63 and 18,936.30 is: 26,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,083.76 : 45,657.63 = 18,936.30 : x
  2. Step 2: Convert to fraction form
    33,083.76/45,657.63 = 18,936.30/x
  3. Step 3: Cross multiply
    33,083.76x = 45,657.63 × 18,936.30
  4. Step 4: Simplify right side
    33,083.76x = 864,586,578.97
  5. Step 5: Solve for x
    x = 864,586,578.97/33,083.76
  6. Step 6: Final answer
    x = 26,133.26

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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.