Home / 19,816.14-27,345.41-11,862.75

Finding the Fourth Proportional to 19,816.14, 27,345.41 and 11,862.75

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Solution

The fourth proportional to 19,816.14, 27,345.41 and 11,862.75 is: 16,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.14 : 27,345.41 = 11,862.75 : x
  2. Step 2: Convert to fraction form
    19,816.14/27,345.41 = 11,862.75/x
  3. Step 3: Cross multiply
    19,816.14x = 27,345.41 × 11,862.75
  4. Step 4: Simplify right side
    19,816.14x = 324,391,586.10
  5. Step 5: Solve for x
    x = 324,391,586.10/19,816.14
  6. Step 6: Final answer
    x = 16,370.07

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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.