Home / 30,213.06-41,693.46-16,784.18

Finding the Fourth Proportional to 30,213.06, 41,693.46 and 16,784.18

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Solution

The fourth proportional to 30,213.06, 41,693.46 and 16,784.18 is: 23,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.06 : 41,693.46 = 16,784.18 : x
  2. Step 2: Convert to fraction form
    30,213.06/41,693.46 = 16,784.18/x
  3. Step 3: Cross multiply
    30,213.06x = 41,693.46 × 16,784.18
  4. Step 4: Simplify right side
    30,213.06x = 699,790,537.46
  5. Step 5: Solve for x
    x = 699,790,537.46/30,213.06
  6. Step 6: Final answer
    x = 23,161.86

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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.