Home / 14,514.48-20,034.54-8,231.04

Finding the Fourth Proportional to 14,514.48, 20,034.54 and 8,231.04

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Solution

The fourth proportional to 14,514.48, 20,034.54 and 8,231.04 is: 11,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.48 : 20,034.54 = 8,231.04 : x
  2. Step 2: Convert to fraction form
    14,514.48/20,034.54 = 8,231.04/x
  3. Step 3: Cross multiply
    14,514.48x = 20,034.54 × 8,231.04
  4. Step 4: Simplify right side
    14,514.48x = 164,905,100.12
  5. Step 5: Solve for x
    x = 164,905,100.12/14,514.48
  6. Step 6: Final answer
    x = 11,361.42

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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.