Home / 20,467.35-28,244.64-11,514.84

Finding the Fourth Proportional to 20,467.35, 28,244.64 and 11,514.84

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Solution

The fourth proportional to 20,467.35, 28,244.64 and 11,514.84 is: 15,890.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.35 : 28,244.64 = 11,514.84 : x
  2. Step 2: Convert to fraction form
    20,467.35/28,244.64 = 11,514.84/x
  3. Step 3: Cross multiply
    20,467.35x = 28,244.64 × 11,514.84
  4. Step 4: Simplify right side
    20,467.35x = 325,232,510.46
  5. Step 5: Solve for x
    x = 325,232,510.46/20,467.35
  6. Step 6: Final answer
    x = 15,890.31

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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.