Home / 16,766.64-23,138.19-9,213.39

Finding the Fourth Proportional to 16,766.64, 23,138.19 and 9,213.39

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Solution

The fourth proportional to 16,766.64, 23,138.19 and 9,213.39 is: 12,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.64 : 23,138.19 = 9,213.39 : x
  2. Step 2: Convert to fraction form
    16,766.64/23,138.19 = 9,213.39/x
  3. Step 3: Cross multiply
    16,766.64x = 23,138.19 × 9,213.39
  4. Step 4: Simplify right side
    16,766.64x = 213,181,168.36
  5. Step 5: Solve for x
    x = 213,181,168.36/16,766.64
  6. Step 6: Final answer
    x = 12,714.60

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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.