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Finding the Fourth Proportional to 18,064.82, 24,921.13 and 11,693.46

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Solution

The fourth proportional to 18,064.82, 24,921.13 and 11,693.46 is: 16,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.82 : 24,921.13 = 11,693.46 : x
  2. Step 2: Convert to fraction form
    18,064.82/24,921.13 = 11,693.46/x
  3. Step 3: Cross multiply
    18,064.82x = 24,921.13 × 11,693.46
  4. Step 4: Simplify right side
    18,064.82x = 291,414,236.81
  5. Step 5: Solve for x
    x = 291,414,236.81/18,064.82
  6. Step 6: Final answer
    x = 16,131.59

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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.