Home / 23,186.91-31,997.96-12,576.59

Finding the Fourth Proportional to 23,186.91, 31,997.96 and 12,576.59

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Solution

The fourth proportional to 23,186.91, 31,997.96 and 12,576.59 is: 17,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.91 : 31,997.96 = 12,576.59 : x
  2. Step 2: Convert to fraction form
    23,186.91/31,997.96 = 12,576.59/x
  3. Step 3: Cross multiply
    23,186.91x = 31,997.96 × 12,576.59
  4. Step 4: Simplify right side
    23,186.91x = 402,425,000.88
  5. Step 5: Solve for x
    x = 402,425,000.88/23,186.91
  6. Step 6: Final answer
    x = 17,355.70

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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.