Home / 16,965.45-25,458.10-7,103.90

Finding the Fourth Proportional to 16,965.45, 25,458.10 and 7,103.90

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Solution

The fourth proportional to 16,965.45, 25,458.10 and 7,103.90 is: 10,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.45 : 25,458.10 = 7,103.90 : x
  2. Step 2: Convert to fraction form
    16,965.45/25,458.10 = 7,103.90/x
  3. Step 3: Cross multiply
    16,965.45x = 25,458.10 × 7,103.90
  4. Step 4: Simplify right side
    16,965.45x = 180,851,842.48
  5. Step 5: Solve for x
    x = 180,851,842.48/16,965.45
  6. Step 6: Final answer
    x = 10,660.01

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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.