Home / 19,620.56-27,073.68-11,123.48

Finding the Fourth Proportional to 19,620.56, 27,073.68 and 11,123.48

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Solution

The fourth proportional to 19,620.56, 27,073.68 and 11,123.48 is: 15,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.56 : 27,073.68 = 11,123.48 : x
  2. Step 2: Convert to fraction form
    19,620.56/27,073.68 = 11,123.48/x
  3. Step 3: Cross multiply
    19,620.56x = 27,073.68 × 11,123.48
  4. Step 4: Simplify right side
    19,620.56x = 301,153,538.01
  5. Step 5: Solve for x
    x = 301,153,538.01/19,620.56
  6. Step 6: Final answer
    x = 15,348.88

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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.