Home / 19,608.88-27,063.48-14,321.20

Finding the Fourth Proportional to 19,608.88, 27,063.48 and 14,321.20

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Solution

The fourth proportional to 19,608.88, 27,063.48 and 14,321.20 is: 19,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.88 : 27,063.48 = 14,321.20 : x
  2. Step 2: Convert to fraction form
    19,608.88/27,063.48 = 14,321.20/x
  3. Step 3: Cross multiply
    19,608.88x = 27,063.48 × 14,321.20
  4. Step 4: Simplify right side
    19,608.88x = 387,581,509.78
  5. Step 5: Solve for x
    x = 387,581,509.78/19,608.88
  6. Step 6: Final answer
    x = 19,765.61

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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.