Home / 17,890.48-26,826.62-10,509.37

Finding the Fourth Proportional to 17,890.48, 26,826.62 and 10,509.37

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Solution

The fourth proportional to 17,890.48, 26,826.62 and 10,509.37 is: 15,758.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.48 : 26,826.62 = 10,509.37 : x
  2. Step 2: Convert to fraction form
    17,890.48/26,826.62 = 10,509.37/x
  3. Step 3: Cross multiply
    17,890.48x = 26,826.62 × 10,509.37
  4. Step 4: Simplify right side
    17,890.48x = 281,930,822.88
  5. Step 5: Solve for x
    x = 281,930,822.88/17,890.48
  6. Step 6: Final answer
    x = 15,758.71

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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.