Home / 20,627.24-28,466.15-11,195.80

Finding the Fourth Proportional to 20,627.24, 28,466.15 and 11,195.80

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Solution

The fourth proportional to 20,627.24, 28,466.15 and 11,195.80 is: 15,450.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627.24 : 28,466.15 = 11,195.80 : x
  2. Step 2: Convert to fraction form
    20,627.24/28,466.15 = 11,195.80/x
  3. Step 3: Cross multiply
    20,627.24x = 28,466.15 × 11,195.80
  4. Step 4: Simplify right side
    20,627.24x = 318,701,195.03
  5. Step 5: Solve for x
    x = 318,701,195.03/20,627.24
  6. Step 6: Final answer
    x = 15,450.50

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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.