Home / 22,209.93-30,651.84-13,257.36

Finding the Fourth Proportional to 22,209.93, 30,651.84 and 13,257.36

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Solution

The fourth proportional to 22,209.93, 30,651.84 and 13,257.36 is: 18,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,209.93 : 30,651.84 = 13,257.36 : x
  2. Step 2: Convert to fraction form
    22,209.93/30,651.84 = 13,257.36/x
  3. Step 3: Cross multiply
    22,209.93x = 30,651.84 × 13,257.36
  4. Step 4: Simplify right side
    22,209.93x = 406,362,477.54
  5. Step 5: Solve for x
    x = 406,362,477.54/22,209.93
  6. Step 6: Final answer
    x = 18,296.43

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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.