Home / 20,266.96-27,954.75-17,609.80

Finding the Fourth Proportional to 20,266.96, 27,954.75 and 17,609.80

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Solution

The fourth proportional to 20,266.96, 27,954.75 and 17,609.80 is: 24,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,266.96 : 27,954.75 = 17,609.80 : x
  2. Step 2: Convert to fraction form
    20,266.96/27,954.75 = 17,609.80/x
  3. Step 3: Cross multiply
    20,266.96x = 27,954.75 × 17,609.80
  4. Step 4: Simplify right side
    20,266.96x = 492,277,556.55
  5. Step 5: Solve for x
    x = 492,277,556.55/20,266.96
  6. Step 6: Final answer
    x = 24,289.66

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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.