Home / 19,977.12-27,567.18-11,024.61

Finding the Fourth Proportional to 19,977.12, 27,567.18 and 11,024.61

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Solution

The fourth proportional to 19,977.12, 27,567.18 and 11,024.61 is: 15,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.12 : 27,567.18 = 11,024.61 : x
  2. Step 2: Convert to fraction form
    19,977.12/27,567.18 = 11,024.61/x
  3. Step 3: Cross multiply
    19,977.12x = 27,567.18 × 11,024.61
  4. Step 4: Simplify right side
    19,977.12x = 303,917,408.30
  5. Step 5: Solve for x
    x = 303,917,408.30/19,977.12
  6. Step 6: Final answer
    x = 15,213.27

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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.