Home / 16,371.78-24,557.84-13,105.63

Finding the Fourth Proportional to 16,371.78, 24,557.84 and 13,105.63

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Solution

The fourth proportional to 16,371.78, 24,557.84 and 13,105.63 is: 19,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.78 : 24,557.84 = 13,105.63 : x
  2. Step 2: Convert to fraction form
    16,371.78/24,557.84 = 13,105.63/x
  3. Step 3: Cross multiply
    16,371.78x = 24,557.84 × 13,105.63
  4. Step 4: Simplify right side
    16,371.78x = 321,845,969.73
  5. Step 5: Solve for x
    x = 321,845,969.73/16,371.78
  6. Step 6: Final answer
    x = 19,658.59

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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.