Home / 16,872.16-25,304.52-11,927.68

Finding the Fourth Proportional to 16,872.16, 25,304.52 and 11,927.68

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Solution

The fourth proportional to 16,872.16, 25,304.52 and 11,927.68 is: 17,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.16 : 25,304.52 = 11,927.68 : x
  2. Step 2: Convert to fraction form
    16,872.16/25,304.52 = 11,927.68/x
  3. Step 3: Cross multiply
    16,872.16x = 25,304.52 × 11,927.68
  4. Step 4: Simplify right side
    16,872.16x = 301,824,217.11
  5. Step 5: Solve for x
    x = 301,824,217.11/16,872.16
  6. Step 6: Final answer
    x = 17,888.89

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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.