Home / 13,768.54-20,659.42-7,528.30

Finding the Fourth Proportional to 13,768.54, 20,659.42 and 7,528.30

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Solution

The fourth proportional to 13,768.54, 20,659.42 and 7,528.30 is: 11,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.54 : 20,659.42 = 7,528.30 : x
  2. Step 2: Convert to fraction form
    13,768.54/20,659.42 = 7,528.30/x
  3. Step 3: Cross multiply
    13,768.54x = 20,659.42 × 7,528.30
  4. Step 4: Simplify right side
    13,768.54x = 155,530,311.59
  5. Step 5: Solve for x
    x = 155,530,311.59/13,768.54
  6. Step 6: Final answer
    x = 11,296.06

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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.