Home / 14,610.96-21,920.12-4,222.64

Finding the Fourth Proportional to 14,610.96, 21,920.12 and 4,222.64

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Solution

The fourth proportional to 14,610.96, 21,920.12 and 4,222.64 is: 6,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.96 : 21,920.12 = 4,222.64 : x
  2. Step 2: Convert to fraction form
    14,610.96/21,920.12 = 4,222.64/x
  3. Step 3: Cross multiply
    14,610.96x = 21,920.12 × 4,222.64
  4. Step 4: Simplify right side
    14,610.96x = 92,560,775.52
  5. Step 5: Solve for x
    x = 92,560,775.52/14,610.96
  6. Step 6: Final answer
    x = 6,335.02

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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.