Home / 12,455.27-18,683.66-4,136.01

Finding the Fourth Proportional to 12,455.27, 18,683.66 and 4,136.01

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Solution

The fourth proportional to 12,455.27, 18,683.66 and 4,136.01 is: 6,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455.27 : 18,683.66 = 4,136.01 : x
  2. Step 2: Convert to fraction form
    12,455.27/18,683.66 = 4,136.01/x
  3. Step 3: Cross multiply
    12,455.27x = 18,683.66 × 4,136.01
  4. Step 4: Simplify right side
    12,455.27x = 77,275,849.97
  5. Step 5: Solve for x
    x = 77,275,849.97/12,455.27
  6. Step 6: Final answer
    x = 6,204.27

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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.