Home / 13,466.64-18,583.32-8,161.12

Finding the Fourth Proportional to 13,466.64, 18,583.32 and 8,161.12

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Solution

The fourth proportional to 13,466.64, 18,583.32 and 8,161.12 is: 11,261.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,466.64 : 18,583.32 = 8,161.12 : x
  2. Step 2: Convert to fraction form
    13,466.64/18,583.32 = 8,161.12/x
  3. Step 3: Cross multiply
    13,466.64x = 18,583.32 × 8,161.12
  4. Step 4: Simplify right side
    13,466.64x = 151,660,704.52
  5. Step 5: Solve for x
    x = 151,660,704.52/13,466.64
  6. Step 6: Final answer
    x = 11,261.96

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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.