Home / 13,556.98-20,257.77-10,333.44

Finding the Fourth Proportional to 13,556.98, 20,257.77 and 10,333.44

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Solution

The fourth proportional to 13,556.98, 20,257.77 and 10,333.44 is: 15,440.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.98 : 20,257.77 = 10,333.44 : x
  2. Step 2: Convert to fraction form
    13,556.98/20,257.77 = 10,333.44/x
  3. Step 3: Cross multiply
    13,556.98x = 20,257.77 × 10,333.44
  4. Step 4: Simplify right side
    13,556.98x = 209,332,450.83
  5. Step 5: Solve for x
    x = 209,332,450.83/13,556.98
  6. Step 6: Final answer
    x = 15,440.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.