Home / 19,365.16-28,974.39-11,471.92

Finding the Fourth Proportional to 19,365.16, 28,974.39 and 11,471.92

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Solution

The fourth proportional to 19,365.16, 28,974.39 and 11,471.92 is: 17,164.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.16 : 28,974.39 = 11,471.92 : x
  2. Step 2: Convert to fraction form
    19,365.16/28,974.39 = 11,471.92/x
  3. Step 3: Cross multiply
    19,365.16x = 28,974.39 × 11,471.92
  4. Step 4: Simplify right side
    19,365.16x = 332,391,884.13
  5. Step 5: Solve for x
    x = 332,391,884.13/19,365.16
  6. Step 6: Final answer
    x = 17,164.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.