Home / 17,556.60-26,305.74-12,351.54

Finding the Fourth Proportional to 17,556.60, 26,305.74 and 12,351.54

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Solution

The fourth proportional to 17,556.60, 26,305.74 and 12,351.54 is: 18,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,556.60 : 26,305.74 = 12,351.54 : x
  2. Step 2: Convert to fraction form
    17,556.60/26,305.74 = 12,351.54/x
  3. Step 3: Cross multiply
    17,556.60x = 26,305.74 × 12,351.54
  4. Step 4: Simplify right side
    17,556.60x = 324,916,399.84
  5. Step 5: Solve for x
    x = 324,916,399.84/17,556.60
  6. Step 6: Final answer
    x = 18,506.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.