Home / 16,672.99-25,021.79-13,425.29

Finding the Fourth Proportional to 16,672.99, 25,021.79 and 13,425.29

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Solution

The fourth proportional to 16,672.99, 25,021.79 and 13,425.29 is: 20,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,672.99 : 25,021.79 = 13,425.29 : x
  2. Step 2: Convert to fraction form
    16,672.99/25,021.79 = 13,425.29/x
  3. Step 3: Cross multiply
    16,672.99x = 25,021.79 × 13,425.29
  4. Step 4: Simplify right side
    16,672.99x = 335,924,842.00
  5. Step 5: Solve for x
    x = 335,924,842.00/16,672.99
  6. Step 6: Final answer
    x = 20,147.85

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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.