Home / 13,395.50-20,091.27-3,535.47

Finding the Fourth Proportional to 13,395.50, 20,091.27 and 3,535.47

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Solution

The fourth proportional to 13,395.50, 20,091.27 and 3,535.47 is: 5,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.50 : 20,091.27 = 3,535.47 : x
  2. Step 2: Convert to fraction form
    13,395.50/20,091.27 = 3,535.47/x
  3. Step 3: Cross multiply
    13,395.50x = 20,091.27 × 3,535.47
  4. Step 4: Simplify right side
    13,395.50x = 71,032,095.60
  5. Step 5: Solve for x
    x = 71,032,095.60/13,395.50
  6. Step 6: Final answer
    x = 5,302.68

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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.