Home / 15,555.24-21,466.44-8,481.96

Finding the Fourth Proportional to 15,555.24, 21,466.44 and 8,481.96

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Solution

The fourth proportional to 15,555.24, 21,466.44 and 8,481.96 is: 11,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.24 : 21,466.44 = 8,481.96 : x
  2. Step 2: Convert to fraction form
    15,555.24/21,466.44 = 8,481.96/x
  3. Step 3: Cross multiply
    15,555.24x = 21,466.44 × 8,481.96
  4. Step 4: Simplify right side
    15,555.24x = 182,077,485.42
  5. Step 5: Solve for x
    x = 182,077,485.42/15,555.24
  6. Step 6: Final answer
    x = 11,705.22

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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.