Home / 13,727.25-20,578.66-4,960.22

Finding the Fourth Proportional to 13,727.25, 20,578.66 and 4,960.22

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Solution

The fourth proportional to 13,727.25, 20,578.66 and 4,960.22 is: 7,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.25 : 20,578.66 = 4,960.22 : x
  2. Step 2: Convert to fraction form
    13,727.25/20,578.66 = 4,960.22/x
  3. Step 3: Cross multiply
    13,727.25x = 20,578.66 × 4,960.22
  4. Step 4: Simplify right side
    13,727.25x = 102,074,565.61
  5. Step 5: Solve for x
    x = 102,074,565.61/13,727.25
  6. Step 6: Final answer
    x = 7,435.91

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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.