Home / 16,826.13-25,239.14-7,938.51

Finding the Fourth Proportional to 16,826.13, 25,239.14 and 7,938.51

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Solution

The fourth proportional to 16,826.13, 25,239.14 and 7,938.51 is: 11,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,826.13 : 25,239.14 = 7,938.51 : x
  2. Step 2: Convert to fraction form
    16,826.13/25,239.14 = 7,938.51/x
  3. Step 3: Cross multiply
    16,826.13x = 25,239.14 × 7,938.51
  4. Step 4: Simplify right side
    16,826.13x = 200,361,105.37
  5. Step 5: Solve for x
    x = 200,361,105.37/16,826.13
  6. Step 6: Final answer
    x = 11,907.74

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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.