Home / 19,800.12-27,325.07-11,304.54

Finding the Fourth Proportional to 19,800.12, 27,325.07 and 11,304.54

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Solution

The fourth proportional to 19,800.12, 27,325.07 and 11,304.54 is: 15,600.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,800.12 : 27,325.07 = 11,304.54 : x
  2. Step 2: Convert to fraction form
    19,800.12/27,325.07 = 11,304.54/x
  3. Step 3: Cross multiply
    19,800.12x = 27,325.07 × 11,304.54
  4. Step 4: Simplify right side
    19,800.12x = 308,897,290.30
  5. Step 5: Solve for x
    x = 308,897,290.30/19,800.12
  6. Step 6: Final answer
    x = 15,600.78

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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.