Home / 16,665.36-22,997.88-9,213.36

Finding the Fourth Proportional to 16,665.36, 22,997.88 and 9,213.36

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Solution

The fourth proportional to 16,665.36, 22,997.88 and 9,213.36 is: 12,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.36 : 22,997.88 = 9,213.36 : x
  2. Step 2: Convert to fraction form
    16,665.36/22,997.88 = 9,213.36/x
  3. Step 3: Cross multiply
    16,665.36x = 22,997.88 × 9,213.36
  4. Step 4: Simplify right side
    16,665.36x = 211,887,747.68
  5. Step 5: Solve for x
    x = 211,887,747.68/16,665.36
  6. Step 6: Final answer
    x = 12,714.26

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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.