Home / 23,749.12-32,772.43-13,138.12

Finding the Fourth Proportional to 23,749.12, 32,772.43 and 13,138.12

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Solution

The fourth proportional to 23,749.12, 32,772.43 and 13,138.12 is: 18,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.12 : 32,772.43 = 13,138.12 : x
  2. Step 2: Convert to fraction form
    23,749.12/32,772.43 = 13,138.12/x
  3. Step 3: Cross multiply
    23,749.12x = 32,772.43 × 13,138.12
  4. Step 4: Simplify right side
    23,749.12x = 430,568,118.03
  5. Step 5: Solve for x
    x = 430,568,118.03/23,749.12
  6. Step 6: Final answer
    x = 18,129.86

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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.