Home / 21,485.36-32,228.92-10,234.92

Finding the Fourth Proportional to 21,485.36, 32,228.92 and 10,234.92

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Solution

The fourth proportional to 21,485.36, 32,228.92 and 10,234.92 is: 15,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485.36 : 32,228.92 = 10,234.92 : x
  2. Step 2: Convert to fraction form
    21,485.36/32,228.92 = 10,234.92/x
  3. Step 3: Cross multiply
    21,485.36x = 32,228.92 × 10,234.92
  4. Step 4: Simplify right side
    21,485.36x = 329,860,311.73
  5. Step 5: Solve for x
    x = 329,860,311.73/21,485.36
  6. Step 6: Final answer
    x = 15,352.79

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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.