Home / 19,468.40-26,872.44-11,917.04

Finding the Fourth Proportional to 19,468.40, 26,872.44 and 11,917.04

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Solution

The fourth proportional to 19,468.40, 26,872.44 and 11,917.04 is: 16,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,468.40 : 26,872.44 = 11,917.04 : x
  2. Step 2: Convert to fraction form
    19,468.40/26,872.44 = 11,917.04/x
  3. Step 3: Cross multiply
    19,468.40x = 26,872.44 × 11,917.04
  4. Step 4: Simplify right side
    19,468.40x = 320,239,942.38
  5. Step 5: Solve for x
    x = 320,239,942.38/19,468.40
  6. Step 6: Final answer
    x = 16,449.22

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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.