Home / 13,233.60-18,236.04-9,446.08

Finding the Fourth Proportional to 13,233.60, 18,236.04 and 9,446.08

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Solution

The fourth proportional to 13,233.60, 18,236.04 and 9,446.08 is: 13,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.60 : 18,236.04 = 9,446.08 : x
  2. Step 2: Convert to fraction form
    13,233.60/18,236.04 = 9,446.08/x
  3. Step 3: Cross multiply
    13,233.60x = 18,236.04 × 9,446.08
  4. Step 4: Simplify right side
    13,233.60x = 172,259,092.72
  5. Step 5: Solve for x
    x = 172,259,092.72/13,233.60
  6. Step 6: Final answer
    x = 13,016.80

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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.