Home / 13,683.08-20,524.31-11,828.69

Finding the Fourth Proportional to 13,683.08, 20,524.31 and 11,828.69

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Solution

The fourth proportional to 13,683.08, 20,524.31 and 11,828.69 is: 17,742.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.08 : 20,524.31 = 11,828.69 : x
  2. Step 2: Convert to fraction form
    13,683.08/20,524.31 = 11,828.69/x
  3. Step 3: Cross multiply
    13,683.08x = 20,524.31 × 11,828.69
  4. Step 4: Simplify right side
    13,683.08x = 242,775,538.69
  5. Step 5: Solve for x
    x = 242,775,538.69/13,683.08
  6. Step 6: Final answer
    x = 17,742.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.