Home / 17,580.82-26,380.98-7,199.86

Finding the Fourth Proportional to 17,580.82, 26,380.98 and 7,199.86

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Solution

The fourth proportional to 17,580.82, 26,380.98 and 7,199.86 is: 10,803.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,580.82 : 26,380.98 = 7,199.86 : x
  2. Step 2: Convert to fraction form
    17,580.82/26,380.98 = 7,199.86/x
  3. Step 3: Cross multiply
    17,580.82x = 26,380.98 × 7,199.86
  4. Step 4: Simplify right side
    17,580.82x = 189,939,362.66
  5. Step 5: Solve for x
    x = 189,939,362.66/17,580.82
  6. Step 6: Final answer
    x = 10,803.78

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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.