Home / 16,883.60-25,325.40-8,135.60

Finding the Fourth Proportional to 16,883.60, 25,325.40 and 8,135.60

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Solution

The fourth proportional to 16,883.60, 25,325.40 and 8,135.60 is: 12,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,883.60 : 25,325.40 = 8,135.60 : x
  2. Step 2: Convert to fraction form
    16,883.60/25,325.40 = 8,135.60/x
  3. Step 3: Cross multiply
    16,883.60x = 25,325.40 × 8,135.60
  4. Step 4: Simplify right side
    16,883.60x = 206,037,324.24
  5. Step 5: Solve for x
    x = 206,037,324.24/16,883.60
  6. Step 6: Final answer
    x = 12,203.40

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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.