Home / 13,708.26-20,562.51-3,320.02

Finding the Fourth Proportional to 13,708.26, 20,562.51 and 3,320.02

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Solution

The fourth proportional to 13,708.26, 20,562.51 and 3,320.02 is: 4,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.26 : 20,562.51 = 3,320.02 : x
  2. Step 2: Convert to fraction form
    13,708.26/20,562.51 = 3,320.02/x
  3. Step 3: Cross multiply
    13,708.26x = 20,562.51 × 3,320.02
  4. Step 4: Simplify right side
    13,708.26x = 68,267,944.45
  5. Step 5: Solve for x
    x = 68,267,944.45/13,708.26
  6. Step 6: Final answer
    x = 4,980.06

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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.