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Finding the Fourth Proportional to 19,506.26, 26,919.03 and 11,545.58

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Solution

The fourth proportional to 19,506.26, 26,919.03 and 11,545.58 is: 15,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,506.26 : 26,919.03 = 11,545.58 : x
  2. Step 2: Convert to fraction form
    19,506.26/26,919.03 = 11,545.58/x
  3. Step 3: Cross multiply
    19,506.26x = 26,919.03 × 11,545.58
  4. Step 4: Simplify right side
    19,506.26x = 310,795,814.39
  5. Step 5: Solve for x
    x = 310,795,814.39/19,506.26
  6. Step 6: Final answer
    x = 15,933.13

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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.