Home / 13,634.19-20,455.17-5,732.64

Finding the Fourth Proportional to 13,634.19, 20,455.17 and 5,732.64

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Solution

The fourth proportional to 13,634.19, 20,455.17 and 5,732.64 is: 8,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.19 : 20,455.17 = 5,732.64 : x
  2. Step 2: Convert to fraction form
    13,634.19/20,455.17 = 5,732.64/x
  3. Step 3: Cross multiply
    13,634.19x = 20,455.17 × 5,732.64
  4. Step 4: Simplify right side
    13,634.19x = 117,262,125.75
  5. Step 5: Solve for x
    x = 117,262,125.75/13,634.19
  6. Step 6: Final answer
    x = 8,600.59

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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.