Home / 15,556.09-21,466.74-8,482.54

Finding the Fourth Proportional to 15,556.09, 21,466.74 and 8,482.54

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Solution

The fourth proportional to 15,556.09, 21,466.74 and 8,482.54 is: 11,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.09 : 21,466.74 = 8,482.54 : x
  2. Step 2: Convert to fraction form
    15,556.09/21,466.74 = 8,482.54/x
  3. Step 3: Cross multiply
    15,556.09x = 21,466.74 × 8,482.54
  4. Step 4: Simplify right side
    15,556.09x = 182,092,480.72
  5. Step 5: Solve for x
    x = 182,092,480.72/15,556.09
  6. Step 6: Final answer
    x = 11,705.54

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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.