Home / 13,514.39-20,272.10-3,653.67

Finding the Fourth Proportional to 13,514.39, 20,272.10 and 3,653.67

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Solution

The fourth proportional to 13,514.39, 20,272.10 and 3,653.67 is: 5,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.39 : 20,272.10 = 3,653.67 : x
  2. Step 2: Convert to fraction form
    13,514.39/20,272.10 = 3,653.67/x
  3. Step 3: Cross multiply
    13,514.39x = 20,272.10 × 3,653.67
  4. Step 4: Simplify right side
    13,514.39x = 74,067,545.34
  5. Step 5: Solve for x
    x = 74,067,545.34/13,514.39
  6. Step 6: Final answer
    x = 5,480.64

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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.