Home / 20,427.35-30,625.44-10,560.33

Finding the Fourth Proportional to 20,427.35, 30,625.44 and 10,560.33

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Solution

The fourth proportional to 20,427.35, 30,625.44 and 10,560.33 is: 15,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427.35 : 30,625.44 = 10,560.33 : x
  2. Step 2: Convert to fraction form
    20,427.35/30,625.44 = 10,560.33/x
  3. Step 3: Cross multiply
    20,427.35x = 30,625.44 × 10,560.33
  4. Step 4: Simplify right side
    20,427.35x = 323,414,752.80
  5. Step 5: Solve for x
    x = 323,414,752.80/20,427.35
  6. Step 6: Final answer
    x = 15,832.44

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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.