Home / 19,934-27,508.94-11,555.36

Finding the Fourth Proportional to 19,934, 27,508.94 and 11,555.36

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Solution

The fourth proportional to 19,934, 27,508.94 and 11,555.36 is: 15,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934 : 27,508.94 = 11,555.36 : x
  2. Step 2: Convert to fraction form
    19,934/27,508.94 = 11,555.36/x
  3. Step 3: Cross multiply
    19,934x = 27,508.94 × 11,555.36
  4. Step 4: Simplify right side
    19,934x = 317,875,704.92
  5. Step 5: Solve for x
    x = 317,875,704.92/19,934
  6. Step 6: Final answer
    x = 15,946.41

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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.