Home / 16,790.60-25,137.26-12,648.04

Finding the Fourth Proportional to 16,790.60, 25,137.26 and 12,648.04

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Solution

The fourth proportional to 16,790.60, 25,137.26 and 12,648.04 is: 18,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.60 : 25,137.26 = 12,648.04 : x
  2. Step 2: Convert to fraction form
    16,790.60/25,137.26 = 12,648.04/x
  3. Step 3: Cross multiply
    16,790.60x = 25,137.26 × 12,648.04
  4. Step 4: Simplify right side
    16,790.60x = 317,937,069.97
  5. Step 5: Solve for x
    x = 317,937,069.97/16,790.60
  6. Step 6: Final answer
    x = 18,935.42

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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.