Home / 16,872.30-25,294.05-11,926.38

Finding the Fourth Proportional to 16,872.30, 25,294.05 and 11,926.38

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Solution

The fourth proportional to 16,872.30, 25,294.05 and 11,926.38 is: 17,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.30 : 25,294.05 = 11,926.38 : x
  2. Step 2: Convert to fraction form
    16,872.30/25,294.05 = 11,926.38/x
  3. Step 3: Cross multiply
    16,872.30x = 25,294.05 × 11,926.38
  4. Step 4: Simplify right side
    16,872.30x = 301,666,452.04
  5. Step 5: Solve for x
    x = 301,666,452.04/16,872.30
  6. Step 6: Final answer
    x = 17,879.39

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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.