Home / 19,136.58-28,694.07-5,985.42

Finding the Fourth Proportional to 19,136.58, 28,694.07 and 5,985.42

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Solution

The fourth proportional to 19,136.58, 28,694.07 and 5,985.42 is: 8,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.58 : 28,694.07 = 5,985.42 : x
  2. Step 2: Convert to fraction form
    19,136.58/28,694.07 = 5,985.42/x
  3. Step 3: Cross multiply
    19,136.58x = 28,694.07 × 5,985.42
  4. Step 4: Simplify right side
    19,136.58x = 171,746,060.46
  5. Step 5: Solve for x
    x = 171,746,060.46/19,136.58
  6. Step 6: Final answer
    x = 8,974.75

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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.