Home / 19,136.84-28,689.77-5,982.44

Finding the Fourth Proportional to 19,136.84, 28,689.77 and 5,982.44

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Solution

The fourth proportional to 19,136.84, 28,689.77 and 5,982.44 is: 8,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.84 : 28,689.77 = 5,982.44 : x
  2. Step 2: Convert to fraction form
    19,136.84/28,689.77 = 5,982.44/x
  3. Step 3: Cross multiply
    19,136.84x = 28,689.77 × 5,982.44
  4. Step 4: Simplify right side
    19,136.84x = 171,634,827.64
  5. Step 5: Solve for x
    x = 171,634,827.64/19,136.84
  6. Step 6: Final answer
    x = 8,968.82

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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.