Home / 13,566.36-20,348.82-3,705.60

Finding the Fourth Proportional to 13,566.36, 20,348.82 and 3,705.60

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Solution

The fourth proportional to 13,566.36, 20,348.82 and 3,705.60 is: 5,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.36 : 20,348.82 = 3,705.60 : x
  2. Step 2: Convert to fraction form
    13,566.36/20,348.82 = 3,705.60/x
  3. Step 3: Cross multiply
    13,566.36x = 20,348.82 × 3,705.60
  4. Step 4: Simplify right side
    13,566.36x = 75,404,587.39
  5. Step 5: Solve for x
    x = 75,404,587.39/13,566.36
  6. Step 6: Final answer
    x = 5,558.20

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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.