Home / 23,186.70-31,997.57-12,576.33

Finding the Fourth Proportional to 23,186.70, 31,997.57 and 12,576.33

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Solution

The fourth proportional to 23,186.70, 31,997.57 and 12,576.33 is: 17,355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.70 : 31,997.57 = 12,576.33 : x
  2. Step 2: Convert to fraction form
    23,186.70/31,997.57 = 12,576.33/x
  3. Step 3: Cross multiply
    23,186.70x = 31,997.57 × 12,576.33
  4. Step 4: Simplify right side
    23,186.70x = 402,411,936.64
  5. Step 5: Solve for x
    x = 402,411,936.64/23,186.70
  6. Step 6: Final answer
    x = 17,355.29

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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.