Home / 19,610.61-29,399.48-13,670.07

Finding the Fourth Proportional to 19,610.61, 29,399.48 and 13,670.07

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Solution

The fourth proportional to 19,610.61, 29,399.48 and 13,670.07 is: 20,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.61 : 29,399.48 = 13,670.07 : x
  2. Step 2: Convert to fraction form
    19,610.61/29,399.48 = 13,670.07/x
  3. Step 3: Cross multiply
    19,610.61x = 29,399.48 × 13,670.07
  4. Step 4: Simplify right side
    19,610.61x = 401,892,949.56
  5. Step 5: Solve for x
    x = 401,892,949.56/19,610.61
  6. Step 6: Final answer
    x = 20,493.65

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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.