Home / 19,136.25-28,841.67-18,064.62

Finding the Fourth Proportional to 19,136.25, 28,841.67 and 18,064.62

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Solution

The fourth proportional to 19,136.25, 28,841.67 and 18,064.62 is: 27,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.25 : 28,841.67 = 18,064.62 : x
  2. Step 2: Convert to fraction form
    19,136.25/28,841.67 = 18,064.62/x
  3. Step 3: Cross multiply
    19,136.25x = 28,841.67 × 18,064.62
  4. Step 4: Simplify right side
    19,136.25x = 521,013,808.72
  5. Step 5: Solve for x
    x = 521,013,808.72/19,136.25
  6. Step 6: Final answer
    x = 27,226.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.