Home / 19,196.80-26,490.96-11,744.80

Finding the Fourth Proportional to 19,196.80, 26,490.96 and 11,744.80

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Solution

The fourth proportional to 19,196.80, 26,490.96 and 11,744.80 is: 16,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.80 : 26,490.96 = 11,744.80 : x
  2. Step 2: Convert to fraction form
    19,196.80/26,490.96 = 11,744.80/x
  3. Step 3: Cross multiply
    19,196.80x = 26,490.96 × 11,744.80
  4. Step 4: Simplify right side
    19,196.80x = 311,131,027.01
  5. Step 5: Solve for x
    x = 311,131,027.01/19,196.80
  6. Step 6: Final answer
    x = 16,207.44

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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.