Home / 19,116.12-28,663.38-7,868.33

Finding the Fourth Proportional to 19,116.12, 28,663.38 and 7,868.33

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Solution

The fourth proportional to 19,116.12, 28,663.38 and 7,868.33 is: 11,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.12 : 28,663.38 = 7,868.33 : x
  2. Step 2: Convert to fraction form
    19,116.12/28,663.38 = 7,868.33/x
  3. Step 3: Cross multiply
    19,116.12x = 28,663.38 × 7,868.33
  4. Step 4: Simplify right side
    19,116.12x = 225,532,789.44
  5. Step 5: Solve for x
    x = 225,532,789.44/19,116.12
  6. Step 6: Final answer
    x = 11,798.04

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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.