Home / 16,828.48-23,198.36-10,778.08

Finding the Fourth Proportional to 16,828.48, 23,198.36 and 10,778.08

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Solution

The fourth proportional to 16,828.48, 23,198.36 and 10,778.08 is: 14,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.48 : 23,198.36 = 10,778.08 : x
  2. Step 2: Convert to fraction form
    16,828.48/23,198.36 = 10,778.08/x
  3. Step 3: Cross multiply
    16,828.48x = 23,198.36 × 10,778.08
  4. Step 4: Simplify right side
    16,828.48x = 250,033,779.95
  5. Step 5: Solve for x
    x = 250,033,779.95/16,828.48
  6. Step 6: Final answer
    x = 14,857.78

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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.