Home / 20,466.87-28,233.95-11,963.44

Finding the Fourth Proportional to 20,466.87, 28,233.95 and 11,963.44

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Solution

The fourth proportional to 20,466.87, 28,233.95 and 11,963.44 is: 16,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.87 : 28,233.95 = 11,963.44 : x
  2. Step 2: Convert to fraction form
    20,466.87/28,233.95 = 11,963.44/x
  3. Step 3: Cross multiply
    20,466.87x = 28,233.95 × 11,963.44
  4. Step 4: Simplify right side
    20,466.87x = 337,775,166.79
  5. Step 5: Solve for x
    x = 337,775,166.79/20,466.87
  6. Step 6: Final answer
    x = 16,503.51

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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.