Home / 18,497.40-27,750.24-5,350.79

Finding the Fourth Proportional to 18,497.40, 27,750.24 and 5,350.79

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Solution

The fourth proportional to 18,497.40, 27,750.24 and 5,350.79 is: 8,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.40 : 27,750.24 = 5,350.79 : x
  2. Step 2: Convert to fraction form
    18,497.40/27,750.24 = 5,350.79/x
  3. Step 3: Cross multiply
    18,497.40x = 27,750.24 × 5,350.79
  4. Step 4: Simplify right side
    18,497.40x = 148,485,706.69
  5. Step 5: Solve for x
    x = 148,485,706.69/18,497.40
  6. Step 6: Final answer
    x = 8,027.38

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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.