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Finding the Fourth Proportional to 12,932.46, 19,311.03 and 10,270.08

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Solution

The fourth proportional to 12,932.46, 19,311.03 and 10,270.08 is: 15,335.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.46 : 19,311.03 = 10,270.08 : x
  2. Step 2: Convert to fraction form
    12,932.46/19,311.03 = 10,270.08/x
  3. Step 3: Cross multiply
    12,932.46x = 19,311.03 × 10,270.08
  4. Step 4: Simplify right side
    12,932.46x = 198,325,822.98
  5. Step 5: Solve for x
    x = 198,325,822.98/12,932.46
  6. Step 6: Final answer
    x = 15,335.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.