Home / 19,652.76-27,121.62-11,270.88

Finding the Fourth Proportional to 19,652.76, 27,121.62 and 11,270.88

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Solution

The fourth proportional to 19,652.76, 27,121.62 and 11,270.88 is: 15,554.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.76 : 27,121.62 = 11,270.88 : x
  2. Step 2: Convert to fraction form
    19,652.76/27,121.62 = 11,270.88/x
  3. Step 3: Cross multiply
    19,652.76x = 27,121.62 × 11,270.88
  4. Step 4: Simplify right side
    19,652.76x = 305,684,524.43
  5. Step 5: Solve for x
    x = 305,684,524.43/19,652.76
  6. Step 6: Final answer
    x = 15,554.28

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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.