Home / 19,852.20-27,396.60-11,237.69

Finding the Fourth Proportional to 19,852.20, 27,396.60 and 11,237.69

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Solution

The fourth proportional to 19,852.20, 27,396.60 and 11,237.69 is: 15,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.20 : 27,396.60 = 11,237.69 : x
  2. Step 2: Convert to fraction form
    19,852.20/27,396.60 = 11,237.69/x
  3. Step 3: Cross multiply
    19,852.20x = 27,396.60 × 11,237.69
  4. Step 4: Simplify right side
    19,852.20x = 307,874,566.35
  5. Step 5: Solve for x
    x = 307,874,566.35/19,852.20
  6. Step 6: Final answer
    x = 15,508.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.