Home / 16,942.32-25,410.36-7,078.95

Finding the Fourth Proportional to 16,942.32, 25,410.36 and 7,078.95

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Solution

The fourth proportional to 16,942.32, 25,410.36 and 7,078.95 is: 10,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.32 : 25,410.36 = 7,078.95 : x
  2. Step 2: Convert to fraction form
    16,942.32/25,410.36 = 7,078.95/x
  3. Step 3: Cross multiply
    16,942.32x = 25,410.36 × 7,078.95
  4. Step 4: Simplify right side
    16,942.32x = 179,878,667.92
  5. Step 5: Solve for x
    x = 179,878,667.92/16,942.32
  6. Step 6: Final answer
    x = 10,617.12

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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.