Home / 14,081.62-21,227.94-13,130.32

Finding the Fourth Proportional to 14,081.62, 21,227.94 and 13,130.32

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Solution

The fourth proportional to 14,081.62, 21,227.94 and 13,130.32 is: 19,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.62 : 21,227.94 = 13,130.32 : x
  2. Step 2: Convert to fraction form
    14,081.62/21,227.94 = 13,130.32/x
  3. Step 3: Cross multiply
    14,081.62x = 21,227.94 × 13,130.32
  4. Step 4: Simplify right side
    14,081.62x = 278,729,645.14
  5. Step 5: Solve for x
    x = 278,729,645.14/14,081.62
  6. Step 6: Final answer
    x = 19,793.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.