Home / 19,196.44-28,801.22-11,715

Finding the Fourth Proportional to 19,196.44, 28,801.22 and 11,715

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Solution

The fourth proportional to 19,196.44, 28,801.22 and 11,715 is: 17,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.44 : 28,801.22 = 11,715 : x
  2. Step 2: Convert to fraction form
    19,196.44/28,801.22 = 11,715/x
  3. Step 3: Cross multiply
    19,196.44x = 28,801.22 × 11,715
  4. Step 4: Simplify right side
    19,196.44x = 337,406,292.30
  5. Step 5: Solve for x
    x = 337,406,292.30/19,196.44
  6. Step 6: Final answer
    x = 17,576.50

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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.