Home / 19,806.23-27,332.60-11,422.73

Finding the Fourth Proportional to 19,806.23, 27,332.60 and 11,422.73

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Solution

The fourth proportional to 19,806.23, 27,332.60 and 11,422.73 is: 15,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.23 : 27,332.60 = 11,422.73 : x
  2. Step 2: Convert to fraction form
    19,806.23/27,332.60 = 11,422.73/x
  3. Step 3: Cross multiply
    19,806.23x = 27,332.60 × 11,422.73
  4. Step 4: Simplify right side
    19,806.23x = 312,213,006.89
  5. Step 5: Solve for x
    x = 312,213,006.89/19,806.23
  6. Step 6: Final answer
    x = 15,763.37

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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.