Home / 18,263.88-27,385.26-7,157.58

Finding the Fourth Proportional to 18,263.88, 27,385.26 and 7,157.58

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Solution

The fourth proportional to 18,263.88, 27,385.26 and 7,157.58 is: 10,732.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,263.88 : 27,385.26 = 7,157.58 : x
  2. Step 2: Convert to fraction form
    18,263.88/27,385.26 = 7,157.58/x
  3. Step 3: Cross multiply
    18,263.88x = 27,385.26 × 7,157.58
  4. Step 4: Simplify right side
    18,263.88x = 196,012,189.27
  5. Step 5: Solve for x
    x = 196,012,189.27/18,263.88
  6. Step 6: Final answer
    x = 10,732.23

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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.