Home / 13,746.75-20,588.97-8,749.14

Finding the Fourth Proportional to 13,746.75, 20,588.97 and 8,749.14

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Solution

The fourth proportional to 13,746.75, 20,588.97 and 8,749.14 is: 13,103.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.75 : 20,588.97 = 8,749.14 : x
  2. Step 2: Convert to fraction form
    13,746.75/20,588.97 = 8,749.14/x
  3. Step 3: Cross multiply
    13,746.75x = 20,588.97 × 8,749.14
  4. Step 4: Simplify right side
    13,746.75x = 180,135,780.99
  5. Step 5: Solve for x
    x = 180,135,780.99/13,746.75
  6. Step 6: Final answer
    x = 13,103.88

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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.