Home / 20,676.03-28,533.20-11,723.33

Finding the Fourth Proportional to 20,676.03, 28,533.20 and 11,723.33

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Solution

The fourth proportional to 20,676.03, 28,533.20 and 11,723.33 is: 16,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676.03 : 28,533.20 = 11,723.33 : x
  2. Step 2: Convert to fraction form
    20,676.03/28,533.20 = 11,723.33/x
  3. Step 3: Cross multiply
    20,676.03x = 28,533.20 × 11,723.33
  4. Step 4: Simplify right side
    20,676.03x = 334,504,132.27
  5. Step 5: Solve for x
    x = 334,504,132.27/20,676.03
  6. Step 6: Final answer
    x = 16,178.36

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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.