Home / 15,233.38-20,975.33-13,334.33

Finding the Fourth Proportional to 15,233.38, 20,975.33 and 13,334.33

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Solution

The fourth proportional to 15,233.38, 20,975.33 and 13,334.33 is: 18,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.38 : 20,975.33 = 13,334.33 : x
  2. Step 2: Convert to fraction form
    15,233.38/20,975.33 = 13,334.33/x
  3. Step 3: Cross multiply
    15,233.38x = 20,975.33 × 13,334.33
  4. Step 4: Simplify right side
    15,233.38x = 279,691,957.85
  5. Step 5: Solve for x
    x = 279,691,957.85/15,233.38
  6. Step 6: Final answer
    x = 18,360.47

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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.