Home / 20,026.64-29,977.09-13,749.95

Finding the Fourth Proportional to 20,026.64, 29,977.09 and 13,749.95

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Solution

The fourth proportional to 20,026.64, 29,977.09 and 13,749.95 is: 20,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.64 : 29,977.09 = 13,749.95 : x
  2. Step 2: Convert to fraction form
    20,026.64/29,977.09 = 13,749.95/x
  3. Step 3: Cross multiply
    20,026.64x = 29,977.09 × 13,749.95
  4. Step 4: Simplify right side
    20,026.64x = 412,183,529.21
  5. Step 5: Solve for x
    x = 412,183,529.21/20,026.64
  6. Step 6: Final answer
    x = 20,581.76

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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.