Home / 26,450.65-39,689.91-11,669.77

Finding the Fourth Proportional to 26,450.65, 39,689.91 and 11,669.77

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Solution

The fourth proportional to 26,450.65, 39,689.91 and 11,669.77 is: 17,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.65 : 39,689.91 = 11,669.77 : x
  2. Step 2: Convert to fraction form
    26,450.65/39,689.91 = 11,669.77/x
  3. Step 3: Cross multiply
    26,450.65x = 39,689.91 × 11,669.77
  4. Step 4: Simplify right side
    26,450.65x = 463,172,121.02
  5. Step 5: Solve for x
    x = 463,172,121.02/26,450.65
  6. Step 6: Final answer
    x = 17,510.80

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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.