Home / 18,147.53-27,222.08-5,667.79

Finding the Fourth Proportional to 18,147.53, 27,222.08 and 5,667.79

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Solution

The fourth proportional to 18,147.53, 27,222.08 and 5,667.79 is: 8,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.53 : 27,222.08 = 5,667.79 : x
  2. Step 2: Convert to fraction form
    18,147.53/27,222.08 = 5,667.79/x
  3. Step 3: Cross multiply
    18,147.53x = 27,222.08 × 5,667.79
  4. Step 4: Simplify right side
    18,147.53x = 154,288,987.45
  5. Step 5: Solve for x
    x = 154,288,987.45/18,147.53
  6. Step 6: Final answer
    x = 8,501.93

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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.