Home / 14,796.28-20,418.06-8,081.80

Finding the Fourth Proportional to 14,796.28, 20,418.06 and 8,081.80

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Solution

The fourth proportional to 14,796.28, 20,418.06 and 8,081.80 is: 11,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.28 : 20,418.06 = 8,081.80 : x
  2. Step 2: Convert to fraction form
    14,796.28/20,418.06 = 8,081.80/x
  3. Step 3: Cross multiply
    14,796.28x = 20,418.06 × 8,081.80
  4. Step 4: Simplify right side
    14,796.28x = 165,014,677.31
  5. Step 5: Solve for x
    x = 165,014,677.31/14,796.28
  6. Step 6: Final answer
    x = 11,152.44

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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.