Home / 16,922.68-25,386.49-5,236.81

Finding the Fourth Proportional to 16,922.68, 25,386.49 and 5,236.81

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Solution

The fourth proportional to 16,922.68, 25,386.49 and 5,236.81 is: 7,855.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.68 : 25,386.49 = 5,236.81 : x
  2. Step 2: Convert to fraction form
    16,922.68/25,386.49 = 5,236.81/x
  3. Step 3: Cross multiply
    16,922.68x = 25,386.49 × 5,236.81
  4. Step 4: Simplify right side
    16,922.68x = 132,944,224.70
  5. Step 5: Solve for x
    x = 132,944,224.70/16,922.68
  6. Step 6: Final answer
    x = 7,855.98

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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.