Home / 19,262.48-28,896.60-8,169.20

Finding the Fourth Proportional to 19,262.48, 28,896.60 and 8,169.20

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Solution

The fourth proportional to 19,262.48, 28,896.60 and 8,169.20 is: 12,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.48 : 28,896.60 = 8,169.20 : x
  2. Step 2: Convert to fraction form
    19,262.48/28,896.60 = 8,169.20/x
  3. Step 3: Cross multiply
    19,262.48x = 28,896.60 × 8,169.20
  4. Step 4: Simplify right side
    19,262.48x = 236,062,104.72
  5. Step 5: Solve for x
    x = 236,062,104.72/19,262.48
  6. Step 6: Final answer
    x = 12,255.02

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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.