Home / 20,110.82-27,745.34-14,818.28

Finding the Fourth Proportional to 20,110.82, 27,745.34 and 14,818.28

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Solution

The fourth proportional to 20,110.82, 27,745.34 and 14,818.28 is: 20,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.82 : 27,745.34 = 14,818.28 : x
  2. Step 2: Convert to fraction form
    20,110.82/27,745.34 = 14,818.28/x
  3. Step 3: Cross multiply
    20,110.82x = 27,745.34 × 14,818.28
  4. Step 4: Simplify right side
    20,110.82x = 411,138,216.82
  5. Step 5: Solve for x
    x = 411,138,216.82/20,110.82
  6. Step 6: Final answer
    x = 20,443.63

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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.