Home / 18,143.37-27,216.78-7,050.92

Finding the Fourth Proportional to 18,143.37, 27,216.78 and 7,050.92

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Solution

The fourth proportional to 18,143.37, 27,216.78 and 7,050.92 is: 10,577.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.37 : 27,216.78 = 7,050.92 : x
  2. Step 2: Convert to fraction form
    18,143.37/27,216.78 = 7,050.92/x
  3. Step 3: Cross multiply
    18,143.37x = 27,216.78 × 7,050.92
  4. Step 4: Simplify right side
    18,143.37x = 191,903,175.91
  5. Step 5: Solve for x
    x = 191,903,175.91/18,143.37
  6. Step 6: Final answer
    x = 10,577.04

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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.