Home / 21,618.62-32,427.94-16,695.44

Finding the Fourth Proportional to 21,618.62, 32,427.94 and 16,695.44

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Solution

The fourth proportional to 21,618.62, 32,427.94 and 16,695.44 is: 25,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,618.62 : 32,427.94 = 16,695.44 : x
  2. Step 2: Convert to fraction form
    21,618.62/32,427.94 = 16,695.44/x
  3. Step 3: Cross multiply
    21,618.62x = 32,427.94 × 16,695.44
  4. Step 4: Simplify right side
    21,618.62x = 541,398,726.59
  5. Step 5: Solve for x
    x = 541,398,726.59/21,618.62
  6. Step 6: Final answer
    x = 25,043.17

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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.