Home / 14,909.43-20,575.07-8,195.75

Finding the Fourth Proportional to 14,909.43, 20,575.07 and 8,195.75

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Solution

The fourth proportional to 14,909.43, 20,575.07 and 8,195.75 is: 11,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.43 : 20,575.07 = 8,195.75 : x
  2. Step 2: Convert to fraction form
    14,909.43/20,575.07 = 8,195.75/x
  3. Step 3: Cross multiply
    14,909.43x = 20,575.07 × 8,195.75
  4. Step 4: Simplify right side
    14,909.43x = 168,628,093.99
  5. Step 5: Solve for x
    x = 168,628,093.99/14,909.43
  6. Step 6: Final answer
    x = 11,310.16

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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.