Home / 13,395.59-20,080.81-4,504.70

Finding the Fourth Proportional to 13,395.59, 20,080.81 and 4,504.70

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Solution

The fourth proportional to 13,395.59, 20,080.81 and 4,504.70 is: 6,752.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.59 : 20,080.81 = 4,504.70 : x
  2. Step 2: Convert to fraction form
    13,395.59/20,080.81 = 4,504.70/x
  3. Step 3: Cross multiply
    13,395.59x = 20,080.81 × 4,504.70
  4. Step 4: Simplify right side
    13,395.59x = 90,458,016.36
  5. Step 5: Solve for x
    x = 90,458,016.36/13,395.59
  6. Step 6: Final answer
    x = 6,752.82

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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.