Home / 17,945.15-26,897.91-7,409.37

Finding the Fourth Proportional to 17,945.15, 26,897.91 and 7,409.37

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Solution

The fourth proportional to 17,945.15, 26,897.91 and 7,409.37 is: 11,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.15 : 26,897.91 = 7,409.37 : x
  2. Step 2: Convert to fraction form
    17,945.15/26,897.91 = 7,409.37/x
  3. Step 3: Cross multiply
    17,945.15x = 26,897.91 × 7,409.37
  4. Step 4: Simplify right side
    17,945.15x = 199,296,567.42
  5. Step 5: Solve for x
    x = 199,296,567.42/17,945.15
  6. Step 6: Final answer
    x = 11,105.87

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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.