Home / 18,257.64-27,358.60-11,219.28

Finding the Fourth Proportional to 18,257.64, 27,358.60 and 11,219.28

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Solution

The fourth proportional to 18,257.64, 27,358.60 and 11,219.28 is: 16,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.64 : 27,358.60 = 11,219.28 : x
  2. Step 2: Convert to fraction form
    18,257.64/27,358.60 = 11,219.28/x
  3. Step 3: Cross multiply
    18,257.64x = 27,358.60 × 11,219.28
  4. Step 4: Simplify right side
    18,257.64x = 306,943,793.81
  5. Step 5: Solve for x
    x = 306,943,793.81/18,257.64
  6. Step 6: Final answer
    x = 16,811.80

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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.