Home / 22,945.07-31,663.99-12,873.29

Finding the Fourth Proportional to 22,945.07, 31,663.99 and 12,873.29

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Solution

The fourth proportional to 22,945.07, 31,663.99 and 12,873.29 is: 17,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.07 : 31,663.99 = 12,873.29 : x
  2. Step 2: Convert to fraction form
    22,945.07/31,663.99 = 12,873.29/x
  3. Step 3: Cross multiply
    22,945.07x = 31,663.99 × 12,873.29
  4. Step 4: Simplify right side
    22,945.07x = 407,619,725.83
  5. Step 5: Solve for x
    x = 407,619,725.83/22,945.07
  6. Step 6: Final answer
    x = 17,765.02

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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.