Home / 16,630.59-22,949.63-9,912.75

Finding the Fourth Proportional to 16,630.59, 22,949.63 and 9,912.75

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Solution

The fourth proportional to 16,630.59, 22,949.63 and 9,912.75 is: 13,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630.59 : 22,949.63 = 9,912.75 : x
  2. Step 2: Convert to fraction form
    16,630.59/22,949.63 = 9,912.75/x
  3. Step 3: Cross multiply
    16,630.59x = 22,949.63 × 9,912.75
  4. Step 4: Simplify right side
    16,630.59x = 227,493,944.78
  5. Step 5: Solve for x
    x = 227,493,944.78/16,630.59
  6. Step 6: Final answer
    x = 13,679.25

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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.