Home / 33,243.04-45,874.49-18,135.70

Finding the Fourth Proportional to 33,243.04, 45,874.49 and 18,135.70

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Solution

The fourth proportional to 33,243.04, 45,874.49 and 18,135.70 is: 25,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.04 : 45,874.49 = 18,135.70 : x
  2. Step 2: Convert to fraction form
    33,243.04/45,874.49 = 18,135.70/x
  3. Step 3: Cross multiply
    33,243.04x = 45,874.49 × 18,135.70
  4. Step 4: Simplify right side
    33,243.04x = 831,965,782.93
  5. Step 5: Solve for x
    x = 831,965,782.93/33,243.04
  6. Step 6: Final answer
    x = 25,026.77

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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.