Home / 13,736.16-18,956.16-8,150.40

Finding the Fourth Proportional to 13,736.16, 18,956.16 and 8,150.40

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Solution

The fourth proportional to 13,736.16, 18,956.16 and 8,150.40 is: 11,247.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.16 : 18,956.16 = 8,150.40 : x
  2. Step 2: Convert to fraction form
    13,736.16/18,956.16 = 8,150.40/x
  3. Step 3: Cross multiply
    13,736.16x = 18,956.16 × 8,150.40
  4. Step 4: Simplify right side
    13,736.16x = 154,500,286.46
  5. Step 5: Solve for x
    x = 154,500,286.46/13,736.16
  6. Step 6: Final answer
    x = 11,247.71

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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.