Home / 19,460.52-26,857.54-11,911.88

Finding the Fourth Proportional to 19,460.52, 26,857.54 and 11,911.88

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Solution

The fourth proportional to 19,460.52, 26,857.54 and 11,911.88 is: 16,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.52 : 26,857.54 = 11,911.88 : x
  2. Step 2: Convert to fraction form
    19,460.52/26,857.54 = 11,911.88/x
  3. Step 3: Cross multiply
    19,460.52x = 26,857.54 × 11,911.88
  4. Step 4: Simplify right side
    19,460.52x = 319,923,793.58
  5. Step 5: Solve for x
    x = 319,923,793.58/19,460.52
  6. Step 6: Final answer
    x = 16,439.63

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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.