Home / 19,746.78-27,250.62-11,788.83

Finding the Fourth Proportional to 19,746.78, 27,250.62 and 11,788.83

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Solution

The fourth proportional to 19,746.78, 27,250.62 and 11,788.83 is: 16,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.78 : 27,250.62 = 11,788.83 : x
  2. Step 2: Convert to fraction form
    19,746.78/27,250.62 = 11,788.83/x
  3. Step 3: Cross multiply
    19,746.78x = 27,250.62 × 11,788.83
  4. Step 4: Simplify right side
    19,746.78x = 321,252,926.57
  5. Step 5: Solve for x
    x = 321,252,926.57/19,746.78
  6. Step 6: Final answer
    x = 16,268.62

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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.