Home / 16,942.88-25,407.12-6,940.74

Finding the Fourth Proportional to 16,942.88, 25,407.12 and 6,940.74

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Solution

The fourth proportional to 16,942.88, 25,407.12 and 6,940.74 is: 10,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.88 : 25,407.12 = 6,940.74 : x
  2. Step 2: Convert to fraction form
    16,942.88/25,407.12 = 6,940.74/x
  3. Step 3: Cross multiply
    16,942.88x = 25,407.12 × 6,940.74
  4. Step 4: Simplify right side
    16,942.88x = 176,344,214.07
  5. Step 5: Solve for x
    x = 176,344,214.07/16,942.88
  6. Step 6: Final answer
    x = 10,408.16

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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.