Home / 20,232.12-30,342.24-7,082.04

Finding the Fourth Proportional to 20,232.12, 30,342.24 and 7,082.04

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Solution

The fourth proportional to 20,232.12, 30,342.24 and 7,082.04 is: 10,620.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.12 : 30,342.24 = 7,082.04 : x
  2. Step 2: Convert to fraction form
    20,232.12/30,342.24 = 7,082.04/x
  3. Step 3: Cross multiply
    20,232.12x = 30,342.24 × 7,082.04
  4. Step 4: Simplify right side
    20,232.12x = 214,884,957.37
  5. Step 5: Solve for x
    x = 214,884,957.37/20,232.12
  6. Step 6: Final answer
    x = 10,620.98

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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.