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Finding the Fourth Proportional to 18,164.22, 25,065.99 and 11,102.46

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Solution

The fourth proportional to 18,164.22, 25,065.99 and 11,102.46 is: 15,321.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.22 : 25,065.99 = 11,102.46 : x
  2. Step 2: Convert to fraction form
    18,164.22/25,065.99 = 11,102.46/x
  3. Step 3: Cross multiply
    18,164.22x = 25,065.99 × 11,102.46
  4. Step 4: Simplify right side
    18,164.22x = 278,294,151.34
  5. Step 5: Solve for x
    x = 278,294,151.34/18,164.22
  6. Step 6: Final answer
    x = 15,321.01

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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.