Home / 14,622.84-20,183.58-8,656.56

Finding the Fourth Proportional to 14,622.84, 20,183.58 and 8,656.56

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Solution

The fourth proportional to 14,622.84, 20,183.58 and 8,656.56 is: 11,948.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,622.84 : 20,183.58 = 8,656.56 : x
  2. Step 2: Convert to fraction form
    14,622.84/20,183.58 = 8,656.56/x
  3. Step 3: Cross multiply
    14,622.84x = 20,183.58 × 8,656.56
  4. Step 4: Simplify right side
    14,622.84x = 174,720,371.28
  5. Step 5: Solve for x
    x = 174,720,371.28/14,622.84
  6. Step 6: Final answer
    x = 11,948.46

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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.