Home / 17,589.78-26,381.37-8,822.34

Finding the Fourth Proportional to 17,589.78, 26,381.37 and 8,822.34

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Solution

The fourth proportional to 17,589.78, 26,381.37 and 8,822.34 is: 13,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,589.78 : 26,381.37 = 8,822.34 : x
  2. Step 2: Convert to fraction form
    17,589.78/26,381.37 = 8,822.34/x
  3. Step 3: Cross multiply
    17,589.78x = 26,381.37 × 8,822.34
  4. Step 4: Simplify right side
    17,589.78x = 232,745,415.81
  5. Step 5: Solve for x
    x = 232,745,415.81/17,589.78
  6. Step 6: Final answer
    x = 13,231.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.