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Finding the Fourth Proportional to 19,706.94, 27,195.48 and 10,754.37

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Solution

The fourth proportional to 19,706.94, 27,195.48 and 10,754.37 is: 14,840.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.94 : 27,195.48 = 10,754.37 : x
  2. Step 2: Convert to fraction form
    19,706.94/27,195.48 = 10,754.37/x
  3. Step 3: Cross multiply
    19,706.94x = 27,195.48 × 10,754.37
  4. Step 4: Simplify right side
    19,706.94x = 292,470,254.25
  5. Step 5: Solve for x
    x = 292,470,254.25/19,706.94
  6. Step 6: Final answer
    x = 14,840.98

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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.