Home / 19,940.84-27,520.29-14,896.30

Finding the Fourth Proportional to 19,940.84, 27,520.29 and 14,896.30

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Solution

The fourth proportional to 19,940.84, 27,520.29 and 14,896.30 is: 20,558.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.84 : 27,520.29 = 14,896.30 : x
  2. Step 2: Convert to fraction form
    19,940.84/27,520.29 = 14,896.30/x
  3. Step 3: Cross multiply
    19,940.84x = 27,520.29 × 14,896.30
  4. Step 4: Simplify right side
    19,940.84x = 409,950,427.13
  5. Step 5: Solve for x
    x = 409,950,427.13/19,940.84
  6. Step 6: Final answer
    x = 20,558.34

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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.