Home / 20,293.98-30,443.84-6,255.15

Finding the Fourth Proportional to 20,293.98, 30,443.84 and 6,255.15

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Solution

The fourth proportional to 20,293.98, 30,443.84 and 6,255.15 is: 9,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.98 : 30,443.84 = 6,255.15 : x
  2. Step 2: Convert to fraction form
    20,293.98/30,443.84 = 6,255.15/x
  3. Step 3: Cross multiply
    20,293.98x = 30,443.84 × 6,255.15
  4. Step 4: Simplify right side
    20,293.98x = 190,430,770.14
  5. Step 5: Solve for x
    x = 190,430,770.14/20,293.98
  6. Step 6: Final answer
    x = 9,383.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.