Home / 12,826.38-19,240.12-5,036.88

Finding the Fourth Proportional to 12,826.38, 19,240.12 and 5,036.88

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Solution

The fourth proportional to 12,826.38, 19,240.12 and 5,036.88 is: 7,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.38 : 19,240.12 = 5,036.88 : x
  2. Step 2: Convert to fraction form
    12,826.38/19,240.12 = 5,036.88/x
  3. Step 3: Cross multiply
    12,826.38x = 19,240.12 × 5,036.88
  4. Step 4: Simplify right side
    12,826.38x = 96,910,175.63
  5. Step 5: Solve for x
    x = 96,910,175.63/12,826.38
  6. Step 6: Final answer
    x = 7,555.54

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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.