Home / 15,167.41-20,940.78-9,792.26

Finding the Fourth Proportional to 15,167.41, 20,940.78 and 9,792.26

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Solution

The fourth proportional to 15,167.41, 20,940.78 and 9,792.26 is: 13,519.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.41 : 20,940.78 = 9,792.26 : x
  2. Step 2: Convert to fraction form
    15,167.41/20,940.78 = 9,792.26/x
  3. Step 3: Cross multiply
    15,167.41x = 20,940.78 × 9,792.26
  4. Step 4: Simplify right side
    15,167.41x = 205,057,659.24
  5. Step 5: Solve for x
    x = 205,057,659.24/15,167.41
  6. Step 6: Final answer
    x = 13,519.62

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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.