Home / 15,556.56-21,468.62-8,843.32

Finding the Fourth Proportional to 15,556.56, 21,468.62 and 8,843.32

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Solution

The fourth proportional to 15,556.56, 21,468.62 and 8,843.32 is: 12,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.56 : 21,468.62 = 8,843.32 : x
  2. Step 2: Convert to fraction form
    15,556.56/21,468.62 = 8,843.32/x
  3. Step 3: Cross multiply
    15,556.56x = 21,468.62 × 8,843.32
  4. Step 4: Simplify right side
    15,556.56x = 189,853,876.62
  5. Step 5: Solve for x
    x = 189,853,876.62/15,556.56
  6. Step 6: Final answer
    x = 12,204.10

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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.