Home / 30,193.21-41,664.67-16,764.49

Finding the Fourth Proportional to 30,193.21, 41,664.67 and 16,764.49

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Solution

The fourth proportional to 30,193.21, 41,664.67 and 16,764.49 is: 23,133.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.21 : 41,664.67 = 16,764.49 : x
  2. Step 2: Convert to fraction form
    30,193.21/41,664.67 = 16,764.49/x
  3. Step 3: Cross multiply
    30,193.21x = 41,664.67 × 16,764.49
  4. Step 4: Simplify right side
    30,193.21x = 698,486,943.57
  5. Step 5: Solve for x
    x = 698,486,943.57/30,193.21
  6. Step 6: Final answer
    x = 23,133.91

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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.