Home / 19,894.26-27,454.12-11,511.30

Finding the Fourth Proportional to 19,894.26, 27,454.12 and 11,511.30

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Solution

The fourth proportional to 19,894.26, 27,454.12 and 11,511.30 is: 15,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894.26 : 27,454.12 = 11,511.30 : x
  2. Step 2: Convert to fraction form
    19,894.26/27,454.12 = 11,511.30/x
  3. Step 3: Cross multiply
    19,894.26x = 27,454.12 × 11,511.30
  4. Step 4: Simplify right side
    19,894.26x = 316,032,611.56
  5. Step 5: Solve for x
    x = 316,032,611.56/19,894.26
  6. Step 6: Final answer
    x = 15,885.62

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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.