Home / 16,945.60-23,393.20-11,283.70

Finding the Fourth Proportional to 16,945.60, 23,393.20 and 11,283.70

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Solution

The fourth proportional to 16,945.60, 23,393.20 and 11,283.70 is: 15,577.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.60 : 23,393.20 = 11,283.70 : x
  2. Step 2: Convert to fraction form
    16,945.60/23,393.20 = 11,283.70/x
  3. Step 3: Cross multiply
    16,945.60x = 23,393.20 × 11,283.70
  4. Step 4: Simplify right side
    16,945.60x = 263,961,850.84
  5. Step 5: Solve for x
    x = 263,961,850.84/16,945.60
  6. Step 6: Final answer
    x = 15,577.01

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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.