Home / 16,858.52-25,267.30-11,929.60

Finding the Fourth Proportional to 16,858.52, 25,267.30 and 11,929.60

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Solution

The fourth proportional to 16,858.52, 25,267.30 and 11,929.60 is: 17,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.52 : 25,267.30 = 11,929.60 : x
  2. Step 2: Convert to fraction form
    16,858.52/25,267.30 = 11,929.60/x
  3. Step 3: Cross multiply
    16,858.52x = 25,267.30 × 11,929.60
  4. Step 4: Simplify right side
    16,858.52x = 301,428,782.08
  5. Step 5: Solve for x
    x = 301,428,782.08/16,858.52
  6. Step 6: Final answer
    x = 17,879.91

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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.