Home / 15,554.94-21,466.26-8,481.75

Finding the Fourth Proportional to 15,554.94, 21,466.26 and 8,481.75

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Solution

The fourth proportional to 15,554.94, 21,466.26 and 8,481.75 is: 11,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.94 : 21,466.26 = 8,481.75 : x
  2. Step 2: Convert to fraction form
    15,554.94/21,466.26 = 8,481.75/x
  3. Step 3: Cross multiply
    15,554.94x = 21,466.26 × 8,481.75
  4. Step 4: Simplify right side
    15,554.94x = 182,071,450.76
  5. Step 5: Solve for x
    x = 182,071,450.76/15,554.94
  6. Step 6: Final answer
    x = 11,705.06

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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.