Home / 19,654.73-27,125.69-12,099.54

Finding the Fourth Proportional to 19,654.73, 27,125.69 and 12,099.54

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Solution

The fourth proportional to 19,654.73, 27,125.69 and 12,099.54 is: 16,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.73 : 27,125.69 = 12,099.54 : x
  2. Step 2: Convert to fraction form
    19,654.73/27,125.69 = 12,099.54/x
  3. Step 3: Cross multiply
    19,654.73x = 27,125.69 × 12,099.54
  4. Step 4: Simplify right side
    19,654.73x = 328,208,310.68
  5. Step 5: Solve for x
    x = 328,208,310.68/19,654.73
  6. Step 6: Final answer
    x = 16,698.70

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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.