Home / 13,725.99-20,589.12-3,337.74

Finding the Fourth Proportional to 13,725.99, 20,589.12 and 3,337.74

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Solution

The fourth proportional to 13,725.99, 20,589.12 and 3,337.74 is: 5,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,725.99 : 20,589.12 = 3,337.74 : x
  2. Step 2: Convert to fraction form
    13,725.99/20,589.12 = 3,337.74/x
  3. Step 3: Cross multiply
    13,725.99x = 20,589.12 × 3,337.74
  4. Step 4: Simplify right side
    13,725.99x = 68,721,129.39
  5. Step 5: Solve for x
    x = 68,721,129.39/13,725.99
  6. Step 6: Final answer
    x = 5,006.64

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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.