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Finding the Fourth Proportional to 19,597.88, 27,026.66 and 15,114.54

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Solution

The fourth proportional to 19,597.88, 27,026.66 and 15,114.54 is: 20,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.88 : 27,026.66 = 15,114.54 : x
  2. Step 2: Convert to fraction form
    19,597.88/27,026.66 = 15,114.54/x
  3. Step 3: Cross multiply
    19,597.88x = 27,026.66 × 15,114.54
  4. Step 4: Simplify right side
    19,597.88x = 408,495,533.64
  5. Step 5: Solve for x
    x = 408,495,533.64/19,597.88
  6. Step 6: Final answer
    x = 20,843.86

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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.