Home / 17,971.88-26,921.10-11,374.52

Finding the Fourth Proportional to 17,971.88, 26,921.10 and 11,374.52

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Solution

The fourth proportional to 17,971.88, 26,921.10 and 11,374.52 is: 17,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.88 : 26,921.10 = 11,374.52 : x
  2. Step 2: Convert to fraction form
    17,971.88/26,921.10 = 11,374.52/x
  3. Step 3: Cross multiply
    17,971.88x = 26,921.10 × 11,374.52
  4. Step 4: Simplify right side
    17,971.88x = 306,214,590.37
  5. Step 5: Solve for x
    x = 306,214,590.37/17,971.88
  6. Step 6: Final answer
    x = 17,038.54

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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.