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Finding the Fourth Proportional to 18,119.44, 25,000.07 and 10,460.84

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Solution

The fourth proportional to 18,119.44, 25,000.07 and 10,460.84 is: 14,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.44 : 25,000.07 = 10,460.84 : x
  2. Step 2: Convert to fraction form
    18,119.44/25,000.07 = 10,460.84/x
  3. Step 3: Cross multiply
    18,119.44x = 25,000.07 × 10,460.84
  4. Step 4: Simplify right side
    18,119.44x = 261,521,732.26
  5. Step 5: Solve for x
    x = 261,521,732.26/18,119.44
  6. Step 6: Final answer
    x = 14,433.21

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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.