Home / 19,926.11-27,511.26-12,383.69

Finding the Fourth Proportional to 19,926.11, 27,511.26 and 12,383.69

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Solution

The fourth proportional to 19,926.11, 27,511.26 and 12,383.69 is: 17,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.11 : 27,511.26 = 12,383.69 : x
  2. Step 2: Convert to fraction form
    19,926.11/27,511.26 = 12,383.69/x
  3. Step 3: Cross multiply
    19,926.11x = 27,511.26 × 12,383.69
  4. Step 4: Simplify right side
    19,926.11x = 340,690,915.35
  5. Step 5: Solve for x
    x = 340,690,915.35/19,926.11
  6. Step 6: Final answer
    x = 17,097.72

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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.