Home / 13,568.76-20,353.32-3,708.36

Finding the Fourth Proportional to 13,568.76, 20,353.32 and 3,708.36

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Solution

The fourth proportional to 13,568.76, 20,353.32 and 3,708.36 is: 5,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.76 : 20,353.32 = 3,708.36 : x
  2. Step 2: Convert to fraction form
    13,568.76/20,353.32 = 3,708.36/x
  3. Step 3: Cross multiply
    13,568.76x = 20,353.32 × 3,708.36
  4. Step 4: Simplify right side
    13,568.76x = 75,477,437.76
  5. Step 5: Solve for x
    x = 75,477,437.76/13,568.76
  6. Step 6: Final answer
    x = 5,562.59

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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.