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Finding the Fourth Proportional to 18,185.01, 25,094.49 and 10,119.07

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Solution

The fourth proportional to 18,185.01, 25,094.49 and 10,119.07 is: 13,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.01 : 25,094.49 = 10,119.07 : x
  2. Step 2: Convert to fraction form
    18,185.01/25,094.49 = 10,119.07/x
  3. Step 3: Cross multiply
    18,185.01x = 25,094.49 × 10,119.07
  4. Step 4: Simplify right side
    18,185.01x = 253,932,900.92
  5. Step 5: Solve for x
    x = 253,932,900.92/18,185.01
  6. Step 6: Final answer
    x = 13,963.86

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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.