Home / 33,698.72-50,554.55-12,920.60

Finding the Fourth Proportional to 33,698.72, 50,554.55 and 12,920.60

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Solution

The fourth proportional to 33,698.72, 50,554.55 and 12,920.60 is: 19,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,698.72 : 50,554.55 = 12,920.60 : x
  2. Step 2: Convert to fraction form
    33,698.72/50,554.55 = 12,920.60/x
  3. Step 3: Cross multiply
    33,698.72x = 50,554.55 × 12,920.60
  4. Step 4: Simplify right side
    33,698.72x = 653,194,865.96
  5. Step 5: Solve for x
    x = 653,194,865.96/33,698.72
  6. Step 6: Final answer
    x = 19,383.38

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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.