Home / 22,983.52-31,717.26-12,911.96

Finding the Fourth Proportional to 22,983.52, 31,717.26 and 12,911.96

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Solution

The fourth proportional to 22,983.52, 31,717.26 and 12,911.96 is: 17,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,983.52 : 31,717.26 = 12,911.96 : x
  2. Step 2: Convert to fraction form
    22,983.52/31,717.26 = 12,911.96/x
  3. Step 3: Cross multiply
    22,983.52x = 31,717.26 × 12,911.96
  4. Step 4: Simplify right side
    22,983.52x = 409,531,992.43
  5. Step 5: Solve for x
    x = 409,531,992.43/22,983.52
  6. Step 6: Final answer
    x = 17,818.51

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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.