Home / 26,216.44-36,147.35-21,418.70

Finding the Fourth Proportional to 26,216.44, 36,147.35 and 21,418.70

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Solution

The fourth proportional to 26,216.44, 36,147.35 and 21,418.70 is: 29,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,216.44 : 36,147.35 = 21,418.70 : x
  2. Step 2: Convert to fraction form
    26,216.44/36,147.35 = 21,418.70/x
  3. Step 3: Cross multiply
    26,216.44x = 36,147.35 × 21,418.70
  4. Step 4: Simplify right side
    26,216.44x = 774,229,118.25
  5. Step 5: Solve for x
    x = 774,229,118.25/26,216.44
  6. Step 6: Final answer
    x = 29,532.20

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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.