Home / 15,556.36-21,467.46-8,483.08

Finding the Fourth Proportional to 15,556.36, 21,467.46 and 8,483.08

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Solution

The fourth proportional to 15,556.36, 21,467.46 and 8,483.08 is: 11,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.36 : 21,467.46 = 8,483.08 : x
  2. Step 2: Convert to fraction form
    15,556.36/21,467.46 = 8,483.08/x
  3. Step 3: Cross multiply
    15,556.36x = 21,467.46 × 8,483.08
  4. Step 4: Simplify right side
    15,556.36x = 182,110,180.58
  5. Step 5: Solve for x
    x = 182,110,180.58/15,556.36
  6. Step 6: Final answer
    x = 11,706.48

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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.