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Finding the Fourth Proportional to 18,806.88, 25,952.76 and 10,848

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Solution

The fourth proportional to 18,806.88, 25,952.76 and 10,848 is: 14,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,806.88 : 25,952.76 = 10,848 : x
  2. Step 2: Convert to fraction form
    18,806.88/25,952.76 = 10,848/x
  3. Step 3: Cross multiply
    18,806.88x = 25,952.76 × 10,848
  4. Step 4: Simplify right side
    18,806.88x = 281,535,540.48
  5. Step 5: Solve for x
    x = 281,535,540.48/18,806.88
  6. Step 6: Final answer
    x = 14,969.82

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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.