Home / 13,568.12-20,346.10-5,664.76

Finding the Fourth Proportional to 13,568.12, 20,346.10 and 5,664.76

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Solution

The fourth proportional to 13,568.12, 20,346.10 and 5,664.76 is: 8,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.12 : 20,346.10 = 5,664.76 : x
  2. Step 2: Convert to fraction form
    13,568.12/20,346.10 = 5,664.76/x
  3. Step 3: Cross multiply
    13,568.12x = 20,346.10 × 5,664.76
  4. Step 4: Simplify right side
    13,568.12x = 115,255,773.44
  5. Step 5: Solve for x
    x = 115,255,773.44/13,568.12
  6. Step 6: Final answer
    x = 8,494.60

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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.