Home / 16,880.24-23,309.73-10,517.78

Finding the Fourth Proportional to 16,880.24, 23,309.73 and 10,517.78

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Solution

The fourth proportional to 16,880.24, 23,309.73 and 10,517.78 is: 14,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.24 : 23,309.73 = 10,517.78 : x
  2. Step 2: Convert to fraction form
    16,880.24/23,309.73 = 10,517.78/x
  3. Step 3: Cross multiply
    16,880.24x = 23,309.73 × 10,517.78
  4. Step 4: Simplify right side
    16,880.24x = 245,166,495.45
  5. Step 5: Solve for x
    x = 245,166,495.45/16,880.24
  6. Step 6: Final answer
    x = 14,523.88

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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.