Home / 14,796.12-20,418.80-8,081.94

Finding the Fourth Proportional to 14,796.12, 20,418.80 and 8,081.94

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Solution

The fourth proportional to 14,796.12, 20,418.80 and 8,081.94 is: 11,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,796.12 : 20,418.80 = 8,081.94 : x
  2. Step 2: Convert to fraction form
    14,796.12/20,418.80 = 8,081.94/x
  3. Step 3: Cross multiply
    14,796.12x = 20,418.80 × 8,081.94
  4. Step 4: Simplify right side
    14,796.12x = 165,023,516.47
  5. Step 5: Solve for x
    x = 165,023,516.47/14,796.12
  6. Step 6: Final answer
    x = 11,153.16

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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.