Home / 23,186.82-31,997.88-12,576.54

Finding the Fourth Proportional to 23,186.82, 31,997.88 and 12,576.54

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Solution

The fourth proportional to 23,186.82, 31,997.88 and 12,576.54 is: 17,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.82 : 31,997.88 = 12,576.54 : x
  2. Step 2: Convert to fraction form
    23,186.82/31,997.88 = 12,576.54/x
  3. Step 3: Cross multiply
    23,186.82x = 31,997.88 × 12,576.54
  4. Step 4: Simplify right side
    23,186.82x = 402,422,617.74
  5. Step 5: Solve for x
    x = 402,422,617.74/23,186.82
  6. Step 6: Final answer
    x = 17,355.66

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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.