Home / 20,607.20-30,910.80-5,024.96

Finding the Fourth Proportional to 20,607.20, 30,910.80 and 5,024.96

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Solution

The fourth proportional to 20,607.20, 30,910.80 and 5,024.96 is: 7,537.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.20 : 30,910.80 = 5,024.96 : x
  2. Step 2: Convert to fraction form
    20,607.20/30,910.80 = 5,024.96/x
  3. Step 3: Cross multiply
    20,607.20x = 30,910.80 × 5,024.96
  4. Step 4: Simplify right side
    20,607.20x = 155,325,533.57
  5. Step 5: Solve for x
    x = 155,325,533.57/20,607.20
  6. Step 6: Final answer
    x = 7,537.44

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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.