Home / 20,624.96-28,462.56-11,672.48

Finding the Fourth Proportional to 20,624.96, 28,462.56 and 11,672.48

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Solution

The fourth proportional to 20,624.96, 28,462.56 and 11,672.48 is: 16,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.96 : 28,462.56 = 11,672.48 : x
  2. Step 2: Convert to fraction form
    20,624.96/28,462.56 = 11,672.48/x
  3. Step 3: Cross multiply
    20,624.96x = 28,462.56 × 11,672.48
  4. Step 4: Simplify right side
    20,624.96x = 332,228,662.35
  5. Step 5: Solve for x
    x = 332,228,662.35/20,624.96
  6. Step 6: Final answer
    x = 16,108.09

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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.