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Finding the Fourth Proportional to 19,597.60, 27,044.28 and 11,099.08

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Solution

The fourth proportional to 19,597.60, 27,044.28 and 11,099.08 is: 15,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.60 : 27,044.28 = 11,099.08 : x
  2. Step 2: Convert to fraction form
    19,597.60/27,044.28 = 11,099.08/x
  3. Step 3: Cross multiply
    19,597.60x = 27,044.28 × 11,099.08
  4. Step 4: Simplify right side
    19,597.60x = 300,166,627.26
  5. Step 5: Solve for x
    x = 300,166,627.26/19,597.60
  6. Step 6: Final answer
    x = 15,316.50

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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.