Home / 16,940.10-25,417.44-8,181.58

Finding the Fourth Proportional to 16,940.10, 25,417.44 and 8,181.58

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Solution

The fourth proportional to 16,940.10, 25,417.44 and 8,181.58 is: 12,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.10 : 25,417.44 = 8,181.58 : x
  2. Step 2: Convert to fraction form
    16,940.10/25,417.44 = 8,181.58/x
  3. Step 3: Cross multiply
    16,940.10x = 25,417.44 × 8,181.58
  4. Step 4: Simplify right side
    16,940.10x = 207,954,818.76
  5. Step 5: Solve for x
    x = 207,954,818.76/16,940.10
  6. Step 6: Final answer
    x = 12,275.89

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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.