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Finding the Fourth Proportional to 14,101.01, 19,461.44 and 8,131.49

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Solution

The fourth proportional to 14,101.01, 19,461.44 and 8,131.49 is: 11,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.01 : 19,461.44 = 8,131.49 : x
  2. Step 2: Convert to fraction form
    14,101.01/19,461.44 = 8,131.49/x
  3. Step 3: Cross multiply
    14,101.01x = 19,461.44 × 8,131.49
  4. Step 4: Simplify right side
    14,101.01x = 158,250,464.09
  5. Step 5: Solve for x
    x = 158,250,464.09/14,101.01
  6. Step 6: Final answer
    x = 11,222.63

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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.