Home / 16,179.76-22,330.92-15,441.04

Finding the Fourth Proportional to 16,179.76, 22,330.92 and 15,441.04

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Solution

The fourth proportional to 16,179.76, 22,330.92 and 15,441.04 is: 21,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.76 : 22,330.92 = 15,441.04 : x
  2. Step 2: Convert to fraction form
    16,179.76/22,330.92 = 15,441.04/x
  3. Step 3: Cross multiply
    16,179.76x = 22,330.92 × 15,441.04
  4. Step 4: Simplify right side
    16,179.76x = 344,812,628.96
  5. Step 5: Solve for x
    x = 344,812,628.96/16,179.76
  6. Step 6: Final answer
    x = 21,311.36

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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.