Home / 19,906.26-27,461.40-11,934.66

Finding the Fourth Proportional to 19,906.26, 27,461.40 and 11,934.66

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Solution

The fourth proportional to 19,906.26, 27,461.40 and 11,934.66 is: 16,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.26 : 27,461.40 = 11,934.66 : x
  2. Step 2: Convert to fraction form
    19,906.26/27,461.40 = 11,934.66/x
  3. Step 3: Cross multiply
    19,906.26x = 27,461.40 × 11,934.66
  4. Step 4: Simplify right side
    19,906.26x = 327,742,472.12
  5. Step 5: Solve for x
    x = 327,742,472.12/19,906.26
  6. Step 6: Final answer
    x = 16,464.29

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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.