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Finding the Fourth Proportional to 18,254.41, 25,191.41 and 10,706.19

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Solution

The fourth proportional to 18,254.41, 25,191.41 and 10,706.19 is: 14,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.41 : 25,191.41 = 10,706.19 : x
  2. Step 2: Convert to fraction form
    18,254.41/25,191.41 = 10,706.19/x
  3. Step 3: Cross multiply
    18,254.41x = 25,191.41 × 10,706.19
  4. Step 4: Simplify right side
    18,254.41x = 269,703,934.05
  5. Step 5: Solve for x
    x = 269,703,934.05/18,254.41
  6. Step 6: Final answer
    x = 14,774.73

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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.