Home / 14,622.66-20,179.19-7,908.23

Finding the Fourth Proportional to 14,622.66, 20,179.19 and 7,908.23

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Solution

The fourth proportional to 14,622.66, 20,179.19 and 7,908.23 is: 10,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.66 : 20,179.19 = 7,908.23 : x
  2. Step 2: Convert to fraction form
    14,622.66/20,179.19 = 7,908.23/x
  3. Step 3: Cross multiply
    14,622.66x = 20,179.19 × 7,908.23
  4. Step 4: Simplify right side
    14,622.66x = 159,581,745.95
  5. Step 5: Solve for x
    x = 159,581,745.95/14,622.66
  6. Step 6: Final answer
    x = 10,913.32

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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.