Home / 19,144.46-28,687.44-8,045.08

Finding the Fourth Proportional to 19,144.46, 28,687.44 and 8,045.08

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Solution

The fourth proportional to 19,144.46, 28,687.44 and 8,045.08 is: 12,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.46 : 28,687.44 = 8,045.08 : x
  2. Step 2: Convert to fraction form
    19,144.46/28,687.44 = 8,045.08/x
  3. Step 3: Cross multiply
    19,144.46x = 28,687.44 × 8,045.08
  4. Step 4: Simplify right side
    19,144.46x = 230,792,749.80
  5. Step 5: Solve for x
    x = 230,792,749.80/19,144.46
  6. Step 6: Final answer
    x = 12,055.33

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1.5x scale

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.