Home / 23,274.43-32,138.07-21,586

Finding the Fourth Proportional to 23,274.43, 32,138.07 and 21,586

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Solution

The fourth proportional to 23,274.43, 32,138.07 and 21,586 is: 29,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,274.43 : 32,138.07 = 21,586 : x
  2. Step 2: Convert to fraction form
    23,274.43/32,138.07 = 21,586/x
  3. Step 3: Cross multiply
    23,274.43x = 32,138.07 × 21,586
  4. Step 4: Simplify right side
    23,274.43x = 693,732,379.02
  5. Step 5: Solve for x
    x = 693,732,379.02/23,274.43
  6. Step 6: Final answer
    x = 29,806.63

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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.