Home / 18,622.22-25,698.13-10,556.62

Finding the Fourth Proportional to 18,622.22, 25,698.13 and 10,556.62

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Solution

The fourth proportional to 18,622.22, 25,698.13 and 10,556.62 is: 14,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.22 : 25,698.13 = 10,556.62 : x
  2. Step 2: Convert to fraction form
    18,622.22/25,698.13 = 10,556.62/x
  3. Step 3: Cross multiply
    18,622.22x = 25,698.13 × 10,556.62
  4. Step 4: Simplify right side
    18,622.22x = 271,285,393.12
  5. Step 5: Solve for x
    x = 271,285,393.12/18,622.22
  6. Step 6: Final answer
    x = 14,567.83

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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.