Home / 33,243.48-45,874.26-18,135.99

Finding the Fourth Proportional to 33,243.48, 45,874.26 and 18,135.99

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Solution

The fourth proportional to 33,243.48, 45,874.26 and 18,135.99 is: 25,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,243.48 : 45,874.26 = 18,135.99 : x
  2. Step 2: Convert to fraction form
    33,243.48/45,874.26 = 18,135.99/x
  3. Step 3: Cross multiply
    33,243.48x = 45,874.26 × 18,135.99
  4. Step 4: Simplify right side
    33,243.48x = 831,975,120.62
  5. Step 5: Solve for x
    x = 831,975,120.62/33,243.48
  6. Step 6: Final answer
    x = 25,026.72

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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.