Home / 14,556.48-20,089.26-8,270.88

Finding the Fourth Proportional to 14,556.48, 20,089.26 and 8,270.88

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Solution

The fourth proportional to 14,556.48, 20,089.26 and 8,270.88 is: 11,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.48 : 20,089.26 = 8,270.88 : x
  2. Step 2: Convert to fraction form
    14,556.48/20,089.26 = 8,270.88/x
  3. Step 3: Cross multiply
    14,556.48x = 20,089.26 × 8,270.88
  4. Step 4: Simplify right side
    14,556.48x = 166,155,858.75
  5. Step 5: Solve for x
    x = 166,155,858.75/14,556.48
  6. Step 6: Final answer
    x = 11,414.56

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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.