Home / 18,540.88-25,581.32-10,580.24

Finding the Fourth Proportional to 18,540.88, 25,581.32 and 10,580.24

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Solution

The fourth proportional to 18,540.88, 25,581.32 and 10,580.24 is: 14,597.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.88 : 25,581.32 = 10,580.24 : x
  2. Step 2: Convert to fraction form
    18,540.88/25,581.32 = 10,580.24/x
  3. Step 3: Cross multiply
    18,540.88x = 25,581.32 × 10,580.24
  4. Step 4: Simplify right side
    18,540.88x = 270,656,505.12
  5. Step 5: Solve for x
    x = 270,656,505.12/18,540.88
  6. Step 6: Final answer
    x = 14,597.82

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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.