Home / 19,371.66-26,727-11,410.98

Finding the Fourth Proportional to 19,371.66, 26,727 and 11,410.98

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Solution

The fourth proportional to 19,371.66, 26,727 and 11,410.98 is: 15,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.66 : 26,727 = 11,410.98 : x
  2. Step 2: Convert to fraction form
    19,371.66/26,727 = 11,410.98/x
  3. Step 3: Cross multiply
    19,371.66x = 26,727 × 11,410.98
  4. Step 4: Simplify right side
    19,371.66x = 304,981,262.46
  5. Step 5: Solve for x
    x = 304,981,262.46/19,371.66
  6. Step 6: Final answer
    x = 15,743.68

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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.