Home / 19,608.52-27,052.60-12,897.76

Finding the Fourth Proportional to 19,608.52, 27,052.60 and 12,897.76

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Solution

The fourth proportional to 19,608.52, 27,052.60 and 12,897.76 is: 17,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.52 : 27,052.60 = 12,897.76 : x
  2. Step 2: Convert to fraction form
    19,608.52/27,052.60 = 12,897.76/x
  3. Step 3: Cross multiply
    19,608.52x = 27,052.60 × 12,897.76
  4. Step 4: Simplify right side
    19,608.52x = 348,917,942.18
  5. Step 5: Solve for x
    x = 348,917,942.18/19,608.52
  6. Step 6: Final answer
    x = 17,794.20

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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.