Home / 19,211.27-28,817.00-11,396.39

Finding the Fourth Proportional to 19,211.27, 28,817.00 and 11,396.39

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Solution

The fourth proportional to 19,211.27, 28,817.00 and 11,396.39 is: 17,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.27 : 28,817.00 = 11,396.39 : x
  2. Step 2: Convert to fraction form
    19,211.27/28,817.00 = 11,396.39/x
  3. Step 3: Cross multiply
    19,211.27x = 28,817.00 × 11,396.39
  4. Step 4: Simplify right side
    19,211.27x = 328,409,569.56
  5. Step 5: Solve for x
    x = 328,409,569.56/19,211.27
  6. Step 6: Final answer
    x = 17,094.64

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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.