Home / 13,749.25-20,614.61-6,349.63

Finding the Fourth Proportional to 13,749.25, 20,614.61 and 6,349.63

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Solution

The fourth proportional to 13,749.25, 20,614.61 and 6,349.63 is: 9,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.25 : 20,614.61 = 6,349.63 : x
  2. Step 2: Convert to fraction form
    13,749.25/20,614.61 = 6,349.63/x
  3. Step 3: Cross multiply
    13,749.25x = 20,614.61 × 6,349.63
  4. Step 4: Simplify right side
    13,749.25x = 130,895,146.09
  5. Step 5: Solve for x
    x = 130,895,146.09/13,749.25
  6. Step 6: Final answer
    x = 9,520.17

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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.