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Finding the Fourth Proportional to 19,597.68, 27,043.74 and 11,098.62

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Solution

The fourth proportional to 19,597.68, 27,043.74 and 11,098.62 is: 15,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.68 : 27,043.74 = 11,098.62 : x
  2. Step 2: Convert to fraction form
    19,597.68/27,043.74 = 11,098.62/x
  3. Step 3: Cross multiply
    19,597.68x = 27,043.74 × 11,098.62
  4. Step 4: Simplify right side
    19,597.68x = 300,148,193.64
  5. Step 5: Solve for x
    x = 300,148,193.64/19,597.68
  6. Step 6: Final answer
    x = 15,315.50

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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.