Home / 19,825.76-29,782.20-13,614.56

Finding the Fourth Proportional to 19,825.76, 29,782.20 and 13,614.56

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Solution

The fourth proportional to 19,825.76, 29,782.20 and 13,614.56 is: 20,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.76 : 29,782.20 = 13,614.56 : x
  2. Step 2: Convert to fraction form
    19,825.76/29,782.20 = 13,614.56/x
  3. Step 3: Cross multiply
    19,825.76x = 29,782.20 × 13,614.56
  4. Step 4: Simplify right side
    19,825.76x = 405,471,548.83
  5. Step 5: Solve for x
    x = 405,471,548.83/19,825.76
  6. Step 6: Final answer
    x = 20,451.75

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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.