Home / 16,969.28-25,463.88-7,107.80

Finding the Fourth Proportional to 16,969.28, 25,463.88 and 7,107.80

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Solution

The fourth proportional to 16,969.28, 25,463.88 and 7,107.80 is: 10,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.28 : 25,463.88 = 7,107.80 : x
  2. Step 2: Convert to fraction form
    16,969.28/25,463.88 = 7,107.80/x
  3. Step 3: Cross multiply
    16,969.28x = 25,463.88 × 7,107.80
  4. Step 4: Simplify right side
    16,969.28x = 180,992,166.26
  5. Step 5: Solve for x
    x = 180,992,166.26/16,969.28
  6. Step 6: Final answer
    x = 10,665.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.