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Finding the Fourth Proportional to 18,157.66, 25,057.91 and 10,092.07

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Solution

The fourth proportional to 18,157.66, 25,057.91 and 10,092.07 is: 13,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.66 : 25,057.91 = 10,092.07 : x
  2. Step 2: Convert to fraction form
    18,157.66/25,057.91 = 10,092.07/x
  3. Step 3: Cross multiply
    18,157.66x = 25,057.91 × 10,092.07
  4. Step 4: Simplify right side
    18,157.66x = 252,886,181.77
  5. Step 5: Solve for x
    x = 252,886,181.77/18,157.66
  6. Step 6: Final answer
    x = 13,927.25

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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.