Home / 16,782.40-25,173.60-11,252.80

Finding the Fourth Proportional to 16,782.40, 25,173.60 and 11,252.80

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Solution

The fourth proportional to 16,782.40, 25,173.60 and 11,252.80 is: 16,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.40 : 25,173.60 = 11,252.80 : x
  2. Step 2: Convert to fraction form
    16,782.40/25,173.60 = 11,252.80/x
  3. Step 3: Cross multiply
    16,782.40x = 25,173.60 × 11,252.80
  4. Step 4: Simplify right side
    16,782.40x = 283,273,486.08
  5. Step 5: Solve for x
    x = 283,273,486.08/16,782.40
  6. Step 6: Final answer
    x = 16,879.20

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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.