Home / 16,940.88-23,377.68-9,867.60

Finding the Fourth Proportional to 16,940.88, 23,377.68 and 9,867.60

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Solution

The fourth proportional to 16,940.88, 23,377.68 and 9,867.60 is: 13,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.88 : 23,377.68 = 9,867.60 : x
  2. Step 2: Convert to fraction form
    16,940.88/23,377.68 = 9,867.60/x
  3. Step 3: Cross multiply
    16,940.88x = 23,377.68 × 9,867.60
  4. Step 4: Simplify right side
    16,940.88x = 230,681,595.17
  5. Step 5: Solve for x
    x = 230,681,595.17/16,940.88
  6. Step 6: Final answer
    x = 13,616.86

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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.