Home / 20,262.76-27,965.44-14,616.22

Finding the Fourth Proportional to 20,262.76, 27,965.44 and 14,616.22

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Solution

The fourth proportional to 20,262.76, 27,965.44 and 14,616.22 is: 20,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.76 : 27,965.44 = 14,616.22 : x
  2. Step 2: Convert to fraction form
    20,262.76/27,965.44 = 14,616.22/x
  3. Step 3: Cross multiply
    20,262.76x = 27,965.44 × 14,616.22
  4. Step 4: Simplify right side
    20,262.76x = 408,749,023.44
  5. Step 5: Solve for x
    x = 408,749,023.44/20,262.76
  6. Step 6: Final answer
    x = 20,172.43

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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.