Home / 21,786.98-32,650.23-11,377.94

Finding the Fourth Proportional to 21,786.98, 32,650.23 and 11,377.94

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Solution

The fourth proportional to 21,786.98, 32,650.23 and 11,377.94 is: 17,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.98 : 32,650.23 = 11,377.94 : x
  2. Step 2: Convert to fraction form
    21,786.98/32,650.23 = 11,377.94/x
  3. Step 3: Cross multiply
    21,786.98x = 32,650.23 × 11,377.94
  4. Step 4: Simplify right side
    21,786.98x = 371,492,357.93
  5. Step 5: Solve for x
    x = 371,492,357.93/21,786.98
  6. Step 6: Final answer
    x = 17,051.12

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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.