Home / 18,500.63-25,523.67-11,785.04

Finding the Fourth Proportional to 18,500.63, 25,523.67 and 11,785.04

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Solution

The fourth proportional to 18,500.63, 25,523.67 and 11,785.04 is: 16,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.63 : 25,523.67 = 11,785.04 : x
  2. Step 2: Convert to fraction form
    18,500.63/25,523.67 = 11,785.04/x
  3. Step 3: Cross multiply
    18,500.63x = 25,523.67 × 11,785.04
  4. Step 4: Simplify right side
    18,500.63x = 300,797,471.90
  5. Step 5: Solve for x
    x = 300,797,471.90/18,500.63
  6. Step 6: Final answer
    x = 16,258.77

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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.