Home / 25,649.88-38,474.64-13,809.24

Finding the Fourth Proportional to 25,649.88, 38,474.64 and 13,809.24

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Solution

The fourth proportional to 25,649.88, 38,474.64 and 13,809.24 is: 20,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,649.88 : 38,474.64 = 13,809.24 : x
  2. Step 2: Convert to fraction form
    25,649.88/38,474.64 = 13,809.24/x
  3. Step 3: Cross multiply
    25,649.88x = 38,474.64 × 13,809.24
  4. Step 4: Simplify right side
    25,649.88x = 531,305,537.67
  5. Step 5: Solve for x
    x = 531,305,537.67/25,649.88
  6. Step 6: Final answer
    x = 20,713.76

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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.