Home / 13,505.59-18,635.11-11,496.53

Finding the Fourth Proportional to 13,505.59, 18,635.11 and 11,496.53

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Solution

The fourth proportional to 13,505.59, 18,635.11 and 11,496.53 is: 15,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.59 : 18,635.11 = 11,496.53 : x
  2. Step 2: Convert to fraction form
    13,505.59/18,635.11 = 11,496.53/x
  3. Step 3: Cross multiply
    13,505.59x = 18,635.11 × 11,496.53
  4. Step 4: Simplify right side
    13,505.59x = 214,239,183.68
  5. Step 5: Solve for x
    x = 214,239,183.68/13,505.59
  6. Step 6: Final answer
    x = 15,863.01

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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.