Home / 36,676.72-55,021.20-13,335.76

Finding the Fourth Proportional to 36,676.72, 55,021.20 and 13,335.76

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Solution

The fourth proportional to 36,676.72, 55,021.20 and 13,335.76 is: 20,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,676.72 : 55,021.20 = 13,335.76 : x
  2. Step 2: Convert to fraction form
    36,676.72/55,021.20 = 13,335.76/x
  3. Step 3: Cross multiply
    36,676.72x = 55,021.20 × 13,335.76
  4. Step 4: Simplify right side
    36,676.72x = 733,749,518.11
  5. Step 5: Solve for x
    x = 733,749,518.11/36,676.72
  6. Step 6: Final answer
    x = 20,005.87

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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.