Home / 16,769.60-23,139.20-9,694.40

Finding the Fourth Proportional to 16,769.60, 23,139.20 and 9,694.40

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Solution

The fourth proportional to 16,769.60, 23,139.20 and 9,694.40 is: 13,376.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.60 : 23,139.20 = 9,694.40 : x
  2. Step 2: Convert to fraction form
    16,769.60/23,139.20 = 9,694.40/x
  3. Step 3: Cross multiply
    16,769.60x = 23,139.20 × 9,694.40
  4. Step 4: Simplify right side
    16,769.60x = 224,320,660.48
  5. Step 5: Solve for x
    x = 224,320,660.48/16,769.60
  6. Step 6: Final answer
    x = 13,376.63

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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.