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Finding the Fourth Proportional to 19,597.65, 27,043.25 and 12,043.86

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Solution

The fourth proportional to 19,597.65, 27,043.25 and 12,043.86 is: 16,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.65 : 27,043.25 = 12,043.86 : x
  2. Step 2: Convert to fraction form
    19,597.65/27,043.25 = 12,043.86/x
  3. Step 3: Cross multiply
    19,597.65x = 27,043.25 × 12,043.86
  4. Step 4: Simplify right side
    19,597.65x = 325,705,056.73
  5. Step 5: Solve for x
    x = 325,705,056.73/19,597.65
  6. Step 6: Final answer
    x = 16,619.60

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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.