Home / 13,494.21-20,242.67-4,134.12

Finding the Fourth Proportional to 13,494.21, 20,242.67 and 4,134.12

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Solution

The fourth proportional to 13,494.21, 20,242.67 and 4,134.12 is: 6,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.21 : 20,242.67 = 4,134.12 : x
  2. Step 2: Convert to fraction form
    13,494.21/20,242.67 = 4,134.12/x
  3. Step 3: Cross multiply
    13,494.21x = 20,242.67 × 4,134.12
  4. Step 4: Simplify right side
    13,494.21x = 83,685,606.23
  5. Step 5: Solve for x
    x = 83,685,606.23/13,494.21
  6. Step 6: Final answer
    x = 6,201.59

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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.