Home / 18,496.40-25,528.74-11,789.96

Finding the Fourth Proportional to 18,496.40, 25,528.74 and 11,789.96

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Solution

The fourth proportional to 18,496.40, 25,528.74 and 11,789.96 is: 16,272.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,496.40 : 25,528.74 = 11,789.96 : x
  2. Step 2: Convert to fraction form
    18,496.40/25,528.74 = 11,789.96/x
  3. Step 3: Cross multiply
    18,496.40x = 25,528.74 × 11,789.96
  4. Step 4: Simplify right side
    18,496.40x = 300,982,823.45
  5. Step 5: Solve for x
    x = 300,982,823.45/18,496.40
  6. Step 6: Final answer
    x = 16,272.51

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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.