Home / 19,467.24-26,866.89-11,918.64

Finding the Fourth Proportional to 19,467.24, 26,866.89 and 11,918.64

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Solution

The fourth proportional to 19,467.24, 26,866.89 and 11,918.64 is: 16,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.24 : 26,866.89 = 11,918.64 : x
  2. Step 2: Convert to fraction form
    19,467.24/26,866.89 = 11,918.64/x
  3. Step 3: Cross multiply
    19,467.24x = 26,866.89 × 11,918.64
  4. Step 4: Simplify right side
    19,467.24x = 320,216,890.58
  5. Step 5: Solve for x
    x = 320,216,890.58/19,467.24
  6. Step 6: Final answer
    x = 16,449.02

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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.