Home / 18,130.62-27,197.55-5,650.75

Finding the Fourth Proportional to 18,130.62, 27,197.55 and 5,650.75

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Solution

The fourth proportional to 18,130.62, 27,197.55 and 5,650.75 is: 8,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.62 : 27,197.55 = 5,650.75 : x
  2. Step 2: Convert to fraction form
    18,130.62/27,197.55 = 5,650.75/x
  3. Step 3: Cross multiply
    18,130.62x = 27,197.55 × 5,650.75
  4. Step 4: Simplify right side
    18,130.62x = 153,686,487.67
  5. Step 5: Solve for x
    x = 153,686,487.67/18,130.62
  6. Step 6: Final answer
    x = 8,476.63

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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.