Home / 19,205.11-28,820.63-6,725.22

Finding the Fourth Proportional to 19,205.11, 28,820.63 and 6,725.22

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Solution

The fourth proportional to 19,205.11, 28,820.63 and 6,725.22 is: 10,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205.11 : 28,820.63 = 6,725.22 : x
  2. Step 2: Convert to fraction form
    19,205.11/28,820.63 = 6,725.22/x
  3. Step 3: Cross multiply
    19,205.11x = 28,820.63 × 6,725.22
  4. Step 4: Simplify right side
    19,205.11x = 193,825,077.29
  5. Step 5: Solve for x
    x = 193,825,077.29/19,205.11
  6. Step 6: Final answer
    x = 10,092.37

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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.