Home / 13,749.48-20,591.66-8,733.92

Finding the Fourth Proportional to 13,749.48, 20,591.66 and 8,733.92

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Solution

The fourth proportional to 13,749.48, 20,591.66 and 8,733.92 is: 13,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.48 : 20,591.66 = 8,733.92 : x
  2. Step 2: Convert to fraction form
    13,749.48/20,591.66 = 8,733.92/x
  3. Step 3: Cross multiply
    13,749.48x = 20,591.66 × 8,733.92
  4. Step 4: Simplify right side
    13,749.48x = 179,845,829.98
  5. Step 5: Solve for x
    x = 179,845,829.98/13,749.48
  6. Step 6: Final answer
    x = 13,080.19

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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.