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Finding the Fourth Proportional to 18,251.19, 25,188.18 and 10,295.07

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Solution

The fourth proportional to 18,251.19, 25,188.18 and 10,295.07 is: 14,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.19 : 25,188.18 = 10,295.07 : x
  2. Step 2: Convert to fraction form
    18,251.19/25,188.18 = 10,295.07/x
  3. Step 3: Cross multiply
    18,251.19x = 25,188.18 × 10,295.07
  4. Step 4: Simplify right side
    18,251.19x = 259,314,076.27
  5. Step 5: Solve for x
    x = 259,314,076.27/18,251.19
  6. Step 6: Final answer
    x = 14,208.06

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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.