Home / 21,192.53-29,229.84-14,467.50

Finding the Fourth Proportional to 21,192.53, 29,229.84 and 14,467.50

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Solution

The fourth proportional to 21,192.53, 29,229.84 and 14,467.50 is: 19,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.53 : 29,229.84 = 14,467.50 : x
  2. Step 2: Convert to fraction form
    21,192.53/29,229.84 = 14,467.50/x
  3. Step 3: Cross multiply
    21,192.53x = 29,229.84 × 14,467.50
  4. Step 4: Simplify right side
    21,192.53x = 422,882,710.20
  5. Step 5: Solve for x
    x = 422,882,710.20/21,192.53
  6. Step 6: Final answer
    x = 19,954.33

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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.