Home / 13,395.58-20,091.07-3,534.96

Finding the Fourth Proportional to 13,395.58, 20,091.07 and 3,534.96

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Solution

The fourth proportional to 13,395.58, 20,091.07 and 3,534.96 is: 5,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.58 : 20,091.07 = 3,534.96 : x
  2. Step 2: Convert to fraction form
    13,395.58/20,091.07 = 3,534.96/x
  3. Step 3: Cross multiply
    13,395.58x = 20,091.07 × 3,534.96
  4. Step 4: Simplify right side
    13,395.58x = 71,021,128.81
  5. Step 5: Solve for x
    x = 71,021,128.81/13,395.58
  6. Step 6: Final answer
    x = 5,301.83

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1.5x scale

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.