Home / 16,878.28-23,265.52-11,563.96

Finding the Fourth Proportional to 16,878.28, 23,265.52 and 11,563.96

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Solution

The fourth proportional to 16,878.28, 23,265.52 and 11,563.96 is: 15,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,878.28 : 23,265.52 = 11,563.96 : x
  2. Step 2: Convert to fraction form
    16,878.28/23,265.52 = 11,563.96/x
  3. Step 3: Cross multiply
    16,878.28x = 23,265.52 × 11,563.96
  4. Step 4: Simplify right side
    16,878.28x = 269,041,542.66
  5. Step 5: Solve for x
    x = 269,041,542.66/16,878.28
  6. Step 6: Final answer
    x = 15,940.10

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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.