Home / 13,836.59-20,760.11-8,293.91

Finding the Fourth Proportional to 13,836.59, 20,760.11 and 8,293.91

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Solution

The fourth proportional to 13,836.59, 20,760.11 and 8,293.91 is: 12,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.59 : 20,760.11 = 8,293.91 : x
  2. Step 2: Convert to fraction form
    13,836.59/20,760.11 = 8,293.91/x
  3. Step 3: Cross multiply
    13,836.59x = 20,760.11 × 8,293.91
  4. Step 4: Simplify right side
    13,836.59x = 172,182,556.57
  5. Step 5: Solve for x
    x = 172,182,556.57/13,836.59
  6. Step 6: Final answer
    x = 12,444.01

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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.