Home / 19,916.90-27,493.83-14,178.06

Finding the Fourth Proportional to 19,916.90, 27,493.83 and 14,178.06

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Solution

The fourth proportional to 19,916.90, 27,493.83 and 14,178.06 is: 19,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,916.90 : 27,493.83 = 14,178.06 : x
  2. Step 2: Convert to fraction form
    19,916.90/27,493.83 = 14,178.06/x
  3. Step 3: Cross multiply
    19,916.90x = 27,493.83 × 14,178.06
  4. Step 4: Simplify right side
    19,916.90x = 389,809,171.37
  5. Step 5: Solve for x
    x = 389,809,171.37/19,916.90
  6. Step 6: Final answer
    x = 19,571.78

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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.