Home / 13,727.92-20,587.74-4,367.56

Finding the Fourth Proportional to 13,727.92, 20,587.74 and 4,367.56

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Solution

The fourth proportional to 13,727.92, 20,587.74 and 4,367.56 is: 6,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.92 : 20,587.74 = 4,367.56 : x
  2. Step 2: Convert to fraction form
    13,727.92/20,587.74 = 4,367.56/x
  3. Step 3: Cross multiply
    13,727.92x = 20,587.74 × 4,367.56
  4. Step 4: Simplify right side
    13,727.92x = 89,918,189.71
  5. Step 5: Solve for x
    x = 89,918,189.71/13,727.92
  6. Step 6: Final answer
    x = 6,550.02

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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.