Home / 13,708.28-20,563.16-4,349.05

Finding the Fourth Proportional to 13,708.28, 20,563.16 and 4,349.05

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Solution

The fourth proportional to 13,708.28, 20,563.16 and 4,349.05 is: 6,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.28 : 20,563.16 = 4,349.05 : x
  2. Step 2: Convert to fraction form
    13,708.28/20,563.16 = 4,349.05/x
  3. Step 3: Cross multiply
    13,708.28x = 20,563.16 × 4,349.05
  4. Step 4: Simplify right side
    13,708.28x = 89,430,166.76
  5. Step 5: Solve for x
    x = 89,430,166.76/13,708.28
  6. Step 6: Final answer
    x = 6,523.81

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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.