Home / 18,356.75-25,334.48-10,904.75

Finding the Fourth Proportional to 18,356.75, 25,334.48 and 10,904.75

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Solution

The fourth proportional to 18,356.75, 25,334.48 and 10,904.75 is: 15,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356.75 : 25,334.48 = 10,904.75 : x
  2. Step 2: Convert to fraction form
    18,356.75/25,334.48 = 10,904.75/x
  3. Step 3: Cross multiply
    18,356.75x = 25,334.48 × 10,904.75
  4. Step 4: Simplify right side
    18,356.75x = 276,266,170.78
  5. Step 5: Solve for x
    x = 276,266,170.78/18,356.75
  6. Step 6: Final answer
    x = 15,049.84

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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.