Home / 13,441.70-18,500.57-11,837.86

Finding the Fourth Proportional to 13,441.70, 18,500.57 and 11,837.86

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Solution

The fourth proportional to 13,441.70, 18,500.57 and 11,837.86 is: 16,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.70 : 18,500.57 = 11,837.86 : x
  2. Step 2: Convert to fraction form
    13,441.70/18,500.57 = 11,837.86/x
  3. Step 3: Cross multiply
    13,441.70x = 18,500.57 × 11,837.86
  4. Step 4: Simplify right side
    13,441.70x = 219,007,200.60
  5. Step 5: Solve for x
    x = 219,007,200.60/13,441.70
  6. Step 6: Final answer
    x = 16,293.12

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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.