Home / 22,179.29-30,607.54-12,107.97

Finding the Fourth Proportional to 22,179.29, 30,607.54 and 12,107.97

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Solution

The fourth proportional to 22,179.29, 30,607.54 and 12,107.97 is: 16,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.29 : 30,607.54 = 12,107.97 : x
  2. Step 2: Convert to fraction form
    22,179.29/30,607.54 = 12,107.97/x
  3. Step 3: Cross multiply
    22,179.29x = 30,607.54 × 12,107.97
  4. Step 4: Simplify right side
    22,179.29x = 370,595,145.82
  5. Step 5: Solve for x
    x = 370,595,145.82/22,179.29
  6. Step 6: Final answer
    x = 16,709.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.