Home / 13,958.26-20,937.40-5,192.04

Finding the Fourth Proportional to 13,958.26, 20,937.40 and 5,192.04

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Solution

The fourth proportional to 13,958.26, 20,937.40 and 5,192.04 is: 7,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.26 : 20,937.40 = 5,192.04 : x
  2. Step 2: Convert to fraction form
    13,958.26/20,937.40 = 5,192.04/x
  3. Step 3: Cross multiply
    13,958.26x = 20,937.40 × 5,192.04
  4. Step 4: Simplify right side
    13,958.26x = 108,707,818.30
  5. Step 5: Solve for x
    x = 108,707,818.30/13,958.26
  6. Step 6: Final answer
    x = 7,788.06

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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.