Home / 14,622.99-20,179.66-7,908.62

Finding the Fourth Proportional to 14,622.99, 20,179.66 and 7,908.62

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Solution

The fourth proportional to 14,622.99, 20,179.66 and 7,908.62 is: 10,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.99 : 20,179.66 = 7,908.62 : x
  2. Step 2: Convert to fraction form
    14,622.99/20,179.66 = 7,908.62/x
  3. Step 3: Cross multiply
    14,622.99x = 20,179.66 × 7,908.62
  4. Step 4: Simplify right side
    14,622.99x = 159,593,262.67
  5. Step 5: Solve for x
    x = 159,593,262.67/14,622.99
  6. Step 6: Final answer
    x = 10,913.86

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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.