Home / 13,236.60-18,266.46-7,268.12

Finding the Fourth Proportional to 13,236.60, 18,266.46 and 7,268.12

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Solution

The fourth proportional to 13,236.60, 18,266.46 and 7,268.12 is: 10,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.60 : 18,266.46 = 7,268.12 : x
  2. Step 2: Convert to fraction form
    13,236.60/18,266.46 = 7,268.12/x
  3. Step 3: Cross multiply
    13,236.60x = 18,266.46 × 7,268.12
  4. Step 4: Simplify right side
    13,236.60x = 132,762,731.92
  5. Step 5: Solve for x
    x = 132,762,731.92/13,236.60
  6. Step 6: Final answer
    x = 10,029.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.