Home / 20,512.22-30,769.83-7,364.70

Finding the Fourth Proportional to 20,512.22, 30,769.83 and 7,364.70

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Solution

The fourth proportional to 20,512.22, 30,769.83 and 7,364.70 is: 11,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512.22 : 30,769.83 = 7,364.70 : x
  2. Step 2: Convert to fraction form
    20,512.22/30,769.83 = 7,364.70/x
  3. Step 3: Cross multiply
    20,512.22x = 30,769.83 × 7,364.70
  4. Step 4: Simplify right side
    20,512.22x = 226,610,567.00
  5. Step 5: Solve for x
    x = 226,610,567.00/20,512.22
  6. Step 6: Final answer
    x = 11,047.59

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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.