Home / 13,724.67-20,587.05-3,336.42

Finding the Fourth Proportional to 13,724.67, 20,587.05 and 3,336.42

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Solution

The fourth proportional to 13,724.67, 20,587.05 and 3,336.42 is: 5,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.67 : 20,587.05 = 3,336.42 : x
  2. Step 2: Convert to fraction form
    13,724.67/20,587.05 = 3,336.42/x
  3. Step 3: Cross multiply
    13,724.67x = 20,587.05 × 3,336.42
  4. Step 4: Simplify right side
    13,724.67x = 68,687,045.36
  5. Step 5: Solve for x
    x = 68,687,045.36/13,724.67
  6. Step 6: Final answer
    x = 5,004.64

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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.