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Finding the Fourth Proportional to 18,754.80, 25,877.34 and 10,795.56

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Solution

The fourth proportional to 18,754.80, 25,877.34 and 10,795.56 is: 14,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,754.80 : 25,877.34 = 10,795.56 : x
  2. Step 2: Convert to fraction form
    18,754.80/25,877.34 = 10,795.56/x
  3. Step 3: Cross multiply
    18,754.80x = 25,877.34 × 10,795.56
  4. Step 4: Simplify right side
    18,754.80x = 279,360,376.61
  5. Step 5: Solve for x
    x = 279,360,376.61/18,754.80
  6. Step 6: Final answer
    x = 14,895.41

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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.