Home / 16,920.92-25,386.57-7,568.81

Finding the Fourth Proportional to 16,920.92, 25,386.57 and 7,568.81

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Solution

The fourth proportional to 16,920.92, 25,386.57 and 7,568.81 is: 11,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.92 : 25,386.57 = 7,568.81 : x
  2. Step 2: Convert to fraction form
    16,920.92/25,386.57 = 7,568.81/x
  3. Step 3: Cross multiply
    16,920.92x = 25,386.57 × 7,568.81
  4. Step 4: Simplify right side
    16,920.92x = 192,146,124.88
  5. Step 5: Solve for x
    x = 192,146,124.88/16,920.92
  6. Step 6: Final answer
    x = 11,355.54

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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.