Home / 19,104.01-28,622.11-7,986.19

Finding the Fourth Proportional to 19,104.01, 28,622.11 and 7,986.19

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Solution

The fourth proportional to 19,104.01, 28,622.11 and 7,986.19 is: 11,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,104.01 : 28,622.11 = 7,986.19 : x
  2. Step 2: Convert to fraction form
    19,104.01/28,622.11 = 7,986.19/x
  3. Step 3: Cross multiply
    19,104.01x = 28,622.11 × 7,986.19
  4. Step 4: Simplify right side
    19,104.01x = 228,581,608.66
  5. Step 5: Solve for x
    x = 228,581,608.66/19,104.01
  6. Step 6: Final answer
    x = 11,965.11

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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.