Home / 18,114.56-27,171.88-4,967.12

Finding the Fourth Proportional to 18,114.56, 27,171.88 and 4,967.12

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Solution

The fourth proportional to 18,114.56, 27,171.88 and 4,967.12 is: 7,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,114.56 : 27,171.88 = 4,967.12 : x
  2. Step 2: Convert to fraction form
    18,114.56/27,171.88 = 4,967.12/x
  3. Step 3: Cross multiply
    18,114.56x = 27,171.88 × 4,967.12
  4. Step 4: Simplify right side
    18,114.56x = 134,965,988.59
  5. Step 5: Solve for x
    x = 134,965,988.59/18,114.56
  6. Step 6: Final answer
    x = 7,450.69

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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.