Home / 23,556.30-35,334.45-20,640.30

Finding the Fourth Proportional to 23,556.30, 35,334.45 and 20,640.30

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Solution

The fourth proportional to 23,556.30, 35,334.45 and 20,640.30 is: 30,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,556.30 : 35,334.45 = 20,640.30 : x
  2. Step 2: Convert to fraction form
    23,556.30/35,334.45 = 20,640.30/x
  3. Step 3: Cross multiply
    23,556.30x = 35,334.45 × 20,640.30
  4. Step 4: Simplify right side
    23,556.30x = 729,313,648.34
  5. Step 5: Solve for x
    x = 729,313,648.34/23,556.30
  6. Step 6: Final answer
    x = 30,960.45

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Double scale
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Similar ratio
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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.