Home / 18,789.64-25,932.54-10,723.25

Finding the Fourth Proportional to 18,789.64, 25,932.54 and 10,723.25

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Solution

The fourth proportional to 18,789.64, 25,932.54 and 10,723.25 is: 14,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789.64 : 25,932.54 = 10,723.25 : x
  2. Step 2: Convert to fraction form
    18,789.64/25,932.54 = 10,723.25/x
  3. Step 3: Cross multiply
    18,789.64x = 25,932.54 × 10,723.25
  4. Step 4: Simplify right side
    18,789.64x = 278,081,214.60
  5. Step 5: Solve for x
    x = 278,081,214.60/18,789.64
  6. Step 6: Final answer
    x = 14,799.71

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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.