Home / 30,192.94-41,667.56-16,764.20

Finding the Fourth Proportional to 30,192.94, 41,667.56 and 16,764.20

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Solution

The fourth proportional to 30,192.94, 41,667.56 and 16,764.20 is: 23,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.94 : 41,667.56 = 16,764.20 : x
  2. Step 2: Convert to fraction form
    30,192.94/41,667.56 = 16,764.20/x
  3. Step 3: Cross multiply
    30,192.94x = 41,667.56 × 16,764.20
  4. Step 4: Simplify right side
    30,192.94x = 698,523,309.35
  5. Step 5: Solve for x
    x = 698,523,309.35/30,192.94
  6. Step 6: Final answer
    x = 23,135.32

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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.