Home / 19,468.26-29,213.64-8,222.76

Finding the Fourth Proportional to 19,468.26, 29,213.64 and 8,222.76

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Solution

The fourth proportional to 19,468.26, 29,213.64 and 8,222.76 is: 12,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.26 : 29,213.64 = 8,222.76 : x
  2. Step 2: Convert to fraction form
    19,468.26/29,213.64 = 8,222.76/x
  3. Step 3: Cross multiply
    19,468.26x = 29,213.64 × 8,222.76
  4. Step 4: Simplify right side
    19,468.26x = 240,216,750.45
  5. Step 5: Solve for x
    x = 240,216,750.45/19,468.26
  6. Step 6: Final answer
    x = 12,338.89

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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.