Home / 19,915.26-27,473.49-11,956.02

Finding the Fourth Proportional to 19,915.26, 27,473.49 and 11,956.02

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Solution

The fourth proportional to 19,915.26, 27,473.49 and 11,956.02 is: 16,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.26 : 27,473.49 = 11,956.02 : x
  2. Step 2: Convert to fraction form
    19,915.26/27,473.49 = 11,956.02/x
  3. Step 3: Cross multiply
    19,915.26x = 27,473.49 × 11,956.02
  4. Step 4: Simplify right side
    19,915.26x = 328,473,595.91
  5. Step 5: Solve for x
    x = 328,473,595.91/19,915.26
  6. Step 6: Final answer
    x = 16,493.56

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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.