Home / 13,675.82-20,514.48-4,316.12

Finding the Fourth Proportional to 13,675.82, 20,514.48 and 4,316.12

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Solution

The fourth proportional to 13,675.82, 20,514.48 and 4,316.12 is: 6,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.82 : 20,514.48 = 4,316.12 : x
  2. Step 2: Convert to fraction form
    13,675.82/20,514.48 = 4,316.12/x
  3. Step 3: Cross multiply
    13,675.82x = 20,514.48 × 4,316.12
  4. Step 4: Simplify right side
    13,675.82x = 88,542,957.42
  5. Step 5: Solve for x
    x = 88,542,957.42/13,675.82
  6. Step 6: Final answer
    x = 6,474.42

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1.5x scale

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.