Home / 16,920.05-25,380.91-4,440.11

Finding the Fourth Proportional to 16,920.05, 25,380.91 and 4,440.11

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Solution

The fourth proportional to 16,920.05, 25,380.91 and 4,440.11 is: 6,660.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.05 : 25,380.91 = 4,440.11 : x
  2. Step 2: Convert to fraction form
    16,920.05/25,380.91 = 4,440.11/x
  3. Step 3: Cross multiply
    16,920.05x = 25,380.91 × 4,440.11
  4. Step 4: Simplify right side
    16,920.05x = 112,694,053.71
  5. Step 5: Solve for x
    x = 112,694,053.71/16,920.05
  6. Step 6: Final answer
    x = 6,660.39

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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.