Home / 11,832.20-17,748.30-11,755.40

Finding the Fourth Proportional to 11,832.20, 17,748.30 and 11,755.40

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Solution

The fourth proportional to 11,832.20, 17,748.30 and 11,755.40 is: 17,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,832.20 : 17,748.30 = 11,755.40 : x
  2. Step 2: Convert to fraction form
    11,832.20/17,748.30 = 11,755.40/x
  3. Step 3: Cross multiply
    11,832.20x = 17,748.30 × 11,755.40
  4. Step 4: Simplify right side
    11,832.20x = 208,638,365.82
  5. Step 5: Solve for x
    x = 208,638,365.82/11,832.20
  6. Step 6: Final answer
    x = 17,633.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.