Home / 51,217.66-76,825.92-13,266.76

Finding the Fourth Proportional to 51,217.66, 76,825.92 and 13,266.76

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Solution

The fourth proportional to 51,217.66, 76,825.92 and 13,266.76 is: 19,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,217.66 : 76,825.92 = 13,266.76 : x
  2. Step 2: Convert to fraction form
    51,217.66/76,825.92 = 13,266.76/x
  3. Step 3: Cross multiply
    51,217.66x = 76,825.92 × 13,266.76
  4. Step 4: Simplify right side
    51,217.66x = 1,019,231,042.42
  5. Step 5: Solve for x
    x = 1,019,231,042.42/51,217.66
  6. Step 6: Final answer
    x = 19,899.99

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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.