Home / 16,691.88-25,055.60-9,310.72

Finding the Fourth Proportional to 16,691.88, 25,055.60 and 9,310.72

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Solution

The fourth proportional to 16,691.88, 25,055.60 and 9,310.72 is: 13,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.88 : 25,055.60 = 9,310.72 : x
  2. Step 2: Convert to fraction form
    16,691.88/25,055.60 = 9,310.72/x
  3. Step 3: Cross multiply
    16,691.88x = 25,055.60 × 9,310.72
  4. Step 4: Simplify right side
    16,691.88x = 233,285,676.03
  5. Step 5: Solve for x
    x = 233,285,676.03/16,691.88
  6. Step 6: Final answer
    x = 13,976.00

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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.