Home / 20,204.41-27,880.09-11,252.75

Finding the Fourth Proportional to 20,204.41, 27,880.09 and 11,252.75

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Solution

The fourth proportional to 20,204.41, 27,880.09 and 11,252.75 is: 15,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.41 : 27,880.09 = 11,252.75 : x
  2. Step 2: Convert to fraction form
    20,204.41/27,880.09 = 11,252.75/x
  3. Step 3: Cross multiply
    20,204.41x = 27,880.09 × 11,252.75
  4. Step 4: Simplify right side
    20,204.41x = 313,727,683.06
  5. Step 5: Solve for x
    x = 313,727,683.06/20,204.41
  6. Step 6: Final answer
    x = 15,527.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.