Home / 20,627.11-28,472.25-14,676.04

Finding the Fourth Proportional to 20,627.11, 28,472.25 and 14,676.04

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Solution

The fourth proportional to 20,627.11, 28,472.25 and 14,676.04 is: 20,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.11 : 28,472.25 = 14,676.04 : x
  2. Step 2: Convert to fraction form
    20,627.11/28,472.25 = 14,676.04/x
  3. Step 3: Cross multiply
    20,627.11x = 28,472.25 × 14,676.04
  4. Step 4: Simplify right side
    20,627.11x = 417,859,879.89
  5. Step 5: Solve for x
    x = 417,859,879.89/20,627.11
  6. Step 6: Final answer
    x = 20,257.80

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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.