Home / 17,538.44-24,171.74-13,279.30

Finding the Fourth Proportional to 17,538.44, 24,171.74 and 13,279.30

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Solution

The fourth proportional to 17,538.44, 24,171.74 and 13,279.30 is: 18,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,538.44 : 24,171.74 = 13,279.30 : x
  2. Step 2: Convert to fraction form
    17,538.44/24,171.74 = 13,279.30/x
  3. Step 3: Cross multiply
    17,538.44x = 24,171.74 × 13,279.30
  4. Step 4: Simplify right side
    17,538.44x = 320,983,666.12
  5. Step 5: Solve for x
    x = 320,983,666.12/17,538.44
  6. Step 6: Final answer
    x = 18,301.73

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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.