Home / 17,945.86-24,777.48-11,234.20

Finding the Fourth Proportional to 17,945.86, 24,777.48 and 11,234.20

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Solution

The fourth proportional to 17,945.86, 24,777.48 and 11,234.20 is: 15,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,945.86 : 24,777.48 = 11,234.20 : x
  2. Step 2: Convert to fraction form
    17,945.86/24,777.48 = 11,234.20/x
  3. Step 3: Cross multiply
    17,945.86x = 24,777.48 × 11,234.20
  4. Step 4: Simplify right side
    17,945.86x = 278,355,165.82
  5. Step 5: Solve for x
    x = 278,355,165.82/17,945.86
  6. Step 6: Final answer
    x = 15,510.83

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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.