Home / 15,556.03-21,467.43-8,482.44

Finding the Fourth Proportional to 15,556.03, 21,467.43 and 8,482.44

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Solution

The fourth proportional to 15,556.03, 21,467.43 and 8,482.44 is: 11,705.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.03 : 21,467.43 = 8,482.44 : x
  2. Step 2: Convert to fraction form
    15,556.03/21,467.43 = 8,482.44/x
  3. Step 3: Cross multiply
    15,556.03x = 21,467.43 × 8,482.44
  4. Step 4: Simplify right side
    15,556.03x = 182,096,186.93
  5. Step 5: Solve for x
    x = 182,096,186.93/15,556.03
  6. Step 6: Final answer
    x = 11,705.83

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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.