Home / 16,755.76-23,121.60-9,682.64

Finding the Fourth Proportional to 16,755.76, 23,121.60 and 9,682.64

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Solution

The fourth proportional to 16,755.76, 23,121.60 and 9,682.64 is: 13,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.76 : 23,121.60 = 9,682.64 : x
  2. Step 2: Convert to fraction form
    16,755.76/23,121.60 = 9,682.64/x
  3. Step 3: Cross multiply
    16,755.76x = 23,121.60 × 9,682.64
  4. Step 4: Simplify right side
    16,755.76x = 223,878,118.28
  5. Step 5: Solve for x
    x = 223,878,118.28/16,755.76
  6. Step 6: Final answer
    x = 13,361.26

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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.