Home / 19,232.28-28,849.64-8,137.51

Finding the Fourth Proportional to 19,232.28, 28,849.64 and 8,137.51

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Solution

The fourth proportional to 19,232.28, 28,849.64 and 8,137.51 is: 12,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232.28 : 28,849.64 = 8,137.51 : x
  2. Step 2: Convert to fraction form
    19,232.28/28,849.64 = 8,137.51/x
  3. Step 3: Cross multiply
    19,232.28x = 28,849.64 × 8,137.51
  4. Step 4: Simplify right side
    19,232.28x = 234,764,121.18
  5. Step 5: Solve for x
    x = 234,764,121.18/19,232.28
  6. Step 6: Final answer
    x = 12,206.78

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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.