Home / 27,626.20-38,137.77-19,134.77

Finding the Fourth Proportional to 27,626.20, 38,137.77 and 19,134.77

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Solution

The fourth proportional to 27,626.20, 38,137.77 and 19,134.77 is: 26,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.20 : 38,137.77 = 19,134.77 : x
  2. Step 2: Convert to fraction form
    27,626.20/38,137.77 = 19,134.77/x
  3. Step 3: Cross multiply
    27,626.20x = 38,137.77 × 19,134.77
  4. Step 4: Simplify right side
    27,626.20x = 729,757,266.57
  5. Step 5: Solve for x
    x = 729,757,266.57/27,626.20
  6. Step 6: Final answer
    x = 26,415.41

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Half scale
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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.