Home / 21,544.36-29,750.82-16,229.94

Finding the Fourth Proportional to 21,544.36, 29,750.82 and 16,229.94

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Solution

The fourth proportional to 21,544.36, 29,750.82 and 16,229.94 is: 22,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.36 : 29,750.82 = 16,229.94 : x
  2. Step 2: Convert to fraction form
    21,544.36/29,750.82 = 16,229.94/x
  3. Step 3: Cross multiply
    21,544.36x = 29,750.82 × 16,229.94
  4. Step 4: Simplify right side
    21,544.36x = 482,854,023.55
  5. Step 5: Solve for x
    x = 482,854,023.55/21,544.36
  6. Step 6: Final answer
    x = 22,412.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.