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Finding the Fourth Proportional to 19,810, 27,337.80 and 11,852.56

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Solution

The fourth proportional to 19,810, 27,337.80 and 11,852.56 is: 16,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810 : 27,337.80 = 11,852.56 : x
  2. Step 2: Convert to fraction form
    19,810/27,337.80 = 11,852.56/x
  3. Step 3: Cross multiply
    19,810x = 27,337.80 × 11,852.56
  4. Step 4: Simplify right side
    19,810x = 324,022,914.77
  5. Step 5: Solve for x
    x = 324,022,914.77/19,810
  6. Step 6: Final answer
    x = 16,356.53

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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.