Home / 20,467.08-28,244.34-11,514.60

Finding the Fourth Proportional to 20,467.08, 28,244.34 and 11,514.60

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Solution

The fourth proportional to 20,467.08, 28,244.34 and 11,514.60 is: 15,890.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.08 : 28,244.34 = 11,514.60 : x
  2. Step 2: Convert to fraction form
    20,467.08/28,244.34 = 11,514.60/x
  3. Step 3: Cross multiply
    20,467.08x = 28,244.34 × 11,514.60
  4. Step 4: Simplify right side
    20,467.08x = 325,222,277.36
  5. Step 5: Solve for x
    x = 325,222,277.36/20,467.08
  6. Step 6: Final answer
    x = 15,890.02

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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.