Home / 17,488.36-26,229.30-11,238.40

Finding the Fourth Proportional to 17,488.36, 26,229.30 and 11,238.40

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Solution

The fourth proportional to 17,488.36, 26,229.30 and 11,238.40 is: 16,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.36 : 26,229.30 = 11,238.40 : x
  2. Step 2: Convert to fraction form
    17,488.36/26,229.30 = 11,238.40/x
  3. Step 3: Cross multiply
    17,488.36x = 26,229.30 × 11,238.40
  4. Step 4: Simplify right side
    17,488.36x = 294,775,365.12
  5. Step 5: Solve for x
    x = 294,775,365.12/17,488.36
  6. Step 6: Final answer
    x = 16,855.52

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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.