Home / 19,305.54-26,636.55-12,136.53

Finding the Fourth Proportional to 19,305.54, 26,636.55 and 12,136.53

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Solution

The fourth proportional to 19,305.54, 26,636.55 and 12,136.53 is: 16,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.54 : 26,636.55 = 12,136.53 : x
  2. Step 2: Convert to fraction form
    19,305.54/26,636.55 = 12,136.53/x
  3. Step 3: Cross multiply
    19,305.54x = 26,636.55 × 12,136.53
  4. Step 4: Simplify right side
    19,305.54x = 323,275,342.55
  5. Step 5: Solve for x
    x = 323,275,342.55/19,305.54
  6. Step 6: Final answer
    x = 16,745.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.