Home / 16,880.00-25,255.75-10,191.88

Finding the Fourth Proportional to 16,880.00, 25,255.75 and 10,191.88

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Solution

The fourth proportional to 16,880.00, 25,255.75 and 10,191.88 is: 15,249.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.00 : 25,255.75 = 10,191.88 : x
  2. Step 2: Convert to fraction form
    16,880.00/25,255.75 = 10,191.88/x
  3. Step 3: Cross multiply
    16,880.00x = 25,255.75 × 10,191.88
  4. Step 4: Simplify right side
    16,880.00x = 257,403,456.45
  5. Step 5: Solve for x
    x = 257,403,456.45/16,880.00
  6. Step 6: Final answer
    x = 15,249.02

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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.