Home / 14,609.80-20,161.74-8,322.04

Finding the Fourth Proportional to 14,609.80, 20,161.74 and 8,322.04

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Solution

The fourth proportional to 14,609.80, 20,161.74 and 8,322.04 is: 11,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.80 : 20,161.74 = 8,322.04 : x
  2. Step 2: Convert to fraction form
    14,609.80/20,161.74 = 8,322.04/x
  3. Step 3: Cross multiply
    14,609.80x = 20,161.74 × 8,322.04
  4. Step 4: Simplify right side
    14,609.80x = 167,786,806.75
  5. Step 5: Solve for x
    x = 167,786,806.75/14,609.80
  6. Step 6: Final answer
    x = 11,484.54

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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.