Home / 17,832.90-26,720.55-11,247.30

Finding the Fourth Proportional to 17,832.90, 26,720.55 and 11,247.30

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Solution

The fourth proportional to 17,832.90, 26,720.55 and 11,247.30 is: 16,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,832.90 : 26,720.55 = 11,247.30 : x
  2. Step 2: Convert to fraction form
    17,832.90/26,720.55 = 11,247.30/x
  3. Step 3: Cross multiply
    17,832.90x = 26,720.55 × 11,247.30
  4. Step 4: Simplify right side
    17,832.90x = 300,534,042.02
  5. Step 5: Solve for x
    x = 300,534,042.02/17,832.90
  6. Step 6: Final answer
    x = 16,852.79

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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.